David Vincent (43 episodes, 1967-1968)
Edgar Scoville / Stan Arthur (13 episodes, 1967-1968)
Alien / Alien Guard / Guard #2 / Third Alien (2 episodes, 1967)
Michael Tressider / Major Rick Graves (3 episodes, 1967)
Col. Archie Harmon / Fellows (3 episodes, 1967-1968)
Mr. Nexus / Ryder (Invader Leader) / The Invader Leader (3 episodes, 1967-1968)
Vice Chancellor Pierre Alquist / Magnus (3 episodes, 1967)
Bob Torin / Tony LaCava (3 episodes, 1967)
Ellie Markham / Sherri Vikor (3 episodes, 1967)
James Boland / Jim Bryce / Sheriff Lou Carver (3 episodes, 1967-1968)
Brother John / Police Sergeant / Prof. Charles McKay (3 episodes, 1967-1968)
Dr. John Slaton / Dr. Malcolm Gantley / Maj. Pete Stanhope (3 episodes, 1967-1968)
Air Crash Investigator / Brother James / Gen. Cullenbine (3 episodes, 1967-1968)
Alien Pilot / Policeman / Trooper (3 episodes, 1967-1968)
Guard / Policeman (3 episodes, 1967)
Deputy / Sergeant #2 (3 episodes, 1967-1968)
Hotel Detective / McNally / Prof. Eliot Kramer (3 episodes, 1967-1968)
First Reporter / Guard / Lt. Rawlings (3 episodes, 1967-1968)
Mail Truck Driver / Security Guard (3 episodes, 1967-1968)
Cameraman / M.P. / Man #2 (2 episodes, 1967)
Andrew Hatcher / Tom Wiley (2 episodes, 1967-1968)
Dr. Bob Vincent / Jeremy Mace (2 episodes, 1967)
Peter Kalter / Police Lt. Ben Holman (2 episodes, 1967-1968)
Angela Smith / Prof. Pat Reed (2 episodes, 1967-1968)
Adam Lane / Nat Greely (2 episodes, 1967-1968)
Gus Flagg / Police Capt. Bill Battersea (2 episodes, 1967-1968)
Joan Seeley / Stacy (2 episodes, 1967-1968)
Anne Gibbs / Vikki (2 episodes, 1967-1968)
Premier Thor Halvorsen (2 episodes, 1967)
Harry Ferguson / Taugus (2 episodes, 1967-1968)
Harland / Lucien (2 episodes, 1967-1968)
Edna Greely / Sally Palay (2 episodes, 1967)
Helen / Janet Garner (2 episodes, 1967-1968)
Dr. Harry Mills / Ed Gidney (2 episodes, 1967)
Allen Slater / Dr. Paul Mailer (2 episodes, 1967)
Dr. Samuel Crowell / Simon Carver (2 episodes, 1967)
Cyrus Stone / Professor Curtis Lindstrom (2 episodes, 1967)
Alan Landers / Gen. Samuel Arlington Concannon (2 episodes, 1967-1968)
Capt. Mitchell Ross / John Carter (2 episodes, 1967)
Hal / Steve Gibbs (2 episodes, 1967)
Dr. Stanley Frederickson / Hastings (2 episodes, 1967-1968)
John Corwin / Sawyer (2 episodes, 1967-1968)
Lieutenant Farley / Martin (2 episodes, 1967)
First Man / Garth (2 episodes, 1967)
Gen. Jonathan Blaine / George Grundy (2 episodes, 1967)
Dr. John Devin / Dr. Ken Harrison (2 episodes, 1967)
Alien #1 / Eric H. Lund (2 episodes, 1967)
Emmett Morgen / Walt Anson (2 episodes, 1967)
John Finney / Kant (2 episodes, 1967)
Jorden / Perry (2 episodes, 1967-1968)
Dorian / Spence (2 episodes, 1967)
Danny / Police Sgt. Leeds (2 episodes, 1967-1968)
Aide / Non Com in Charge (2 episodes, 1967)
Deputy Jim / Station Attendant (2 episodes, 1967)
Alien Deputy / Alien Driver (2 episodes, 1967-1968)
Butler / Homer Warren (2 episodes, 1967-1968)
Frankie Reed / Young Nat (2 episodes, 1967-1968)
Paul Meyers / Psychiatrist (2 episodes, 1967-1968)
Boy - Jimmy / Johnny (2 episodes, 1967-1968)
General / Professor Ed Harrison (2 episodes, 1967)
Hattie Willis / Nurse (2 episodes, 1967-1968)
Justice Department Agent (2 episodes, 1967)
Congressman Joe Bonning / Lt. Col. Howell (2 episodes, 1967)
Col. Newcomb / Gilbert (2 episodes, 1967)
Alien #1 / Capt. Burt Connors (2 episodes, 1967-1968)
Friendly Guard / Guard #1 (2 episodes, 1967)
Joe Manners / Man (2 episodes, 1967)
Cobbs / Sergeant (2 episodes, 1967)
Hank / Thatcher (2 episodes, 1967)
Maid / Mama (2 episodes, 1967)
Andy / Jim Rogers (2 episodes, 1967)
Alien in Charge / Carr (2 episodes, 1967)
Jimmy / TV Man (2 episodes, 1967-1968)
Chauffeur / Journalist No. 2 (2 episodes, 1967-1968)
Townsman / Webster (2 episodes, 1967)
Library Alien / Organist (2 episodes, 1967)
Alien / Weatherman (2 episodes, 1967)
Ed Larson / Reporter (2 episodes, 1967)
Reporter (1 episode, 1967)
Alien Air Force Major McEvoy / Alien Narrator (1 episode, 1967)
Reporter / Waiter (1 episode, 1967)
Court Clerk / Reporter (1 episode, 1967)
Juror / Townsman (1 episode, 1967-1968)
Evans (1 episode, 1967)
Kathy Adams (1 episode, 1967)
Gale Frazer (1 episode, 1967)
Morgan Tate (1 episode, 1967)
Laurie Keller (1 episode, 1967)
Father Joe (1 episode, 1967)
Susan Carver (1 episode, 1967)
Annie Rhodes (1 episode, 1967)
Charlie Gilman (1 episode, 1967)
Gavin Lewis (1 episode, 1967)
Tom Jessup (1 episode, 1967)
Brother Avery (1 episode, 1967)
Laura Crowell (1 episode, 1967)
Margaret Cook (1 episode, 1967)
Greg Lucather (1 episode, 1967)
George Vikor (1 episode, 1967)
Elyse Reynolds (1 episode, 1967)
Dr. Maria McKinley (1 episode, 1967)
Lloyd Lindstrom (1 episode, 1967)
Vern Corbett (1 episode, 1967)
Nick Baxter (1 episode, 1967)
Barney Cahill (1 episode, 1967)
Harry Swain (1 episode, 1967)
Ellen Woods (1 episode, 1967)
Dr. Katherina Serret (1 episode, 1967)
Beth Ferguson (1 episode, 1968)
James A. Baxter (1 episode, 1968)
Sarah Concannon (1 episode, 1968)
Dr. Ted Willard (1 episode, 1968)
Blake (1 episode, 1967)
Sister Claire (1 episode, 1967)
Claudia Stone (1 episode, 1967)
Robert Morrison (1 episode, 1967)
Wesley J. Sanders (1 episode, 1967)
General Theodore Beaumont (1 episode, 1967)
Oliver Ames (1 episode, 1967)
Maj. Dan Keller (1 episode, 1967)
James Bernard (1 episode, 1967)
June Murray (1 episode, 1967)
Madeline Flagg (1 episode, 1967)
Lisa (1 episode, 1967)
Carol Tate (1 episode, 1967)
Paul Cook (1 episode, 1967)
Jack Palay (1 episode, 1967)
Selene Lowell (1 episode, 1967)
Grace Vincent (1 episode, 1967)
Colonel Griffith (1 episode, 1967)
Will Hale (1 episode, 1967)
Eve Doneghan (1 episode, 1967)
Eileen Brown (1 episode, 1967)
Evelyn Bowers (1 episode, 1967)
Hank Willis (1 episode, 1968)
Jeff Brower (1 episode, 1968)
Celia Baxter (1 episode, 1968)
Claire (1 episode, 1968)
Mike Calvin (1 episode, 1968)
Tomkins (1 episode, 1967)
Hardy Smith (1 episode, 1967)
Neal Taft (1 episode, 1967)
Lewis Dunhill (1 episode, 1967)
Dr. MacLeuen (1 episode, 1967)
Sheriff Gordon Clements (1 episode, 1967)
Warren Doneghan (1 episode, 1967)
Deputy Vern Hammond (1 episode, 1967)
Mr. Arius (1 episode, 1967)
Miss Havergill (1 episode, 1967)
Dr. Grayson (1 episode, 1967)
Bill Shay (1 episode, 1967)
A.J. Richards (1 episode, 1967)
Mr. Burns (1 episode, 1967)
Ramsey (1 episode, 1967)
Deputy Ambassador Peter Borke (1 episode, 1967)
Arnold Andrew Warren (1 episode, 1968)
Joan Surrat (1 episode, 1968)
Capt. Jim Trent (1 episode, 1968)
Weller (1 episode, 1968)
Father Paul (1 episode, 1968)
Mrs. Thorne (1 episode, 1967)
Josef Dansk (1 episode, 1967)
Janet Wilk (1 episode, 1967)
The Minister (1 episode, 1967)
Alien #1 (1 episode, 1967)
Alien Leader (1 episode, 1967)
Joan Corman (1 episode, 1967)
Steve (1 episode, 1967)
Alien Capt. Taft (1 episode, 1967)
Dr. Reynard (1 episode, 1967)
Theodore Booth (1 episode, 1967)
Carl Wyeth (1 episode, 1967)
Police Sgt. Ernie Goldhaver (1 episode, 1967)
Luis Perez (1 episode, 1967)
Diane Oberly (1 episode, 1967)
Detective Carter (1 episode, 1967)
Deputy Wallace (1 episode, 1967)
William Mace (1 episode, 1967)
Simms (1 episode, 1967)
Prof. Julian Reed (1 episode, 1968)
Ricky (1 episode, 1968)
Sheriff Tom Halloway (1 episode, 1968)
Judge Simonson (1 episode, 1967)
Constable Gabbard (1 episode, 1967)
Danvers (1 episode, 1967)
Capt. Chester Albertson (1 episode, 1967)
Aunt Sara (1 episode, 1967)
Carl Vanders (1 episode, 1967)
First Alien (1 episode, 1967)
Joe McMullen (1 episode, 1967)
Miguel (1 episode, 1967)
Noel Markham (1 episode, 1967)
Darrow (1 episode, 1967)
Dr. Sam Larousse (1 episode, 1967)
Police Lt. John Mattson (1 episode, 1967)
Lt. Alvarado (1 episode, 1967)
Police Chief Sam Thorne (1 episode, 1967)
Sheriff (1 episode, 1967)
Professor Hellman (1 episode, 1967)
Dr. Martin Willard (1 episode, 1968)
Keith (1 episode, 1968)
Cort (1 episode, 1968)
William Gehrig (1 episode, 1968)
Manager (1 episode, 1967)
Argyle (1 episode, 1967)
Joey Taft (1 episode, 1967)
Millington (1 episode, 1967)
Gen. Winters (1 episode, 1967)
Detective Harding (1 episode, 1967)
Phil (1 episode, 1967)
Sgt. Walter Ruddell (1 episode, 1967)
Hal (1 episode, 1967)
Conner (1 episode, 1967)
Mr. Nova (1 episode, 1967)
Bowman (1 episode, 1967)
Lavin (1 episode, 1967)
Ed Tonkin (1 episode, 1967)
Alquist's Aide (1 episode, 1967)
Bob Ferrara (1 episode, 1967)
Hotel Clerk (1 episode, 1967)
Nicole (1 episode, 1967)
Lieutenant James (1 episode, 1967)
Riley (1 episode, 1967)
Clare Lapham (1 episode, 1967)
Man (1 episode, 1967)
Lieutenant (1 episode, 1967)
Torberg (1 episode, 1967)
Sgt. Bert Wisnovsky (1 episode, 1967)
Burt Newcomb (1 episode, 1968)
Officer Joe Nash (1 episode, 1968)
Ollie (1 episode, 1968)
Dom (1 episode, 1968)
Lt. Conners (1 episode, 1968)
Post (1 episode, 1968)
Hadley Jenkins (1 episode, 1968)
The Nun (1 episode, 1968)
Dr. Henry Thorne (1 episode, 1967)
Groom (1 episode, 1967)
Woman (1 episode, 1967)
Col. Harris (1 episode, 1967)
Older Alien (1 episode, 1967)
Luz (1 episode, 1967)
Lena Lapham (1 episode, 1967)
Kevin Ryan (1 episode, 1967)
Superintendent (1 episode, 1967)
Correll (1 episode, 1967)
Brennan (1 episode, 1967)
Mary Torin (1 episode, 1967)
Mavis (1 episode, 1967)
Leo Rinaldi (1 episode, 1967)
Detective Reagan (1 episode, 1967)
Secretary Knute Rosmundson (1 episode, 1967)
Dorcas (1 episode, 1968)
Bill Concannon (1 episode, 1968)
Coroner Braemer (1 episode, 1968)
Louise (1 episode, 1968)
Senator Robert Breeding (1 episode, 1968)
Art Llewellan (1 episode, 1968)
Doctor (1 episode, 1967)
Billy Stearns (1 episode, 1967)
Leo (1 episode, 1967)
Miss Cole (1 episode, 1967)
Roy (1 episode, 1967)
Mrs. James (1 episode, 1967)
Houseboy (1 episode, 1967)
Dr. Frederick Rogers (1 episode, 1967)
Carl Gidney (1 episode, 1967)
Sentry (1 episode, 1967)
Charles Roselli (1 episode, 1967)
Proprietress (1 episode, 1967)
Bride (1 episode, 1967)
Charlie Coogan (1 episode, 1967)
Dispatcher (1 episode, 1967)
Grayson (1 episode, 1967)
Journalist No. 1 (1 episode, 1967)
Guard #1 (1 episode, 1967)
John Nivin (1 episode, 1967)
Kemper (1 episode, 1967)
Ed Peterson (1 episode, 1967)
Emissary (1 episode, 1967)
Secretary (1 episode, 1968)
Willard (1 episode, 1968)
Casey (1 episode, 1968)
Clerk - Alien (1 episode, 1968)
Antique Store Proprietor (1 episode, 1968)
Earl (1 episode, 1968)
J.O. Brock (1 episode, 1967)
Cook (1 episode, 1967)
Colonel (1 episode, 1967)
Head Alien (1 episode, 1967)
Maj. Clifford Banks (1 episode, 1967)
Sobbing Woman (1 episode, 1967)
Parking Attendant (1 episode, 1967)
Joe Bagely (1 episode, 1967)
Jerry Burns (1 episode, 1967)
Police Lieutenant Eaton (1 episode, 1967)
Fred Wilk (1 episode, 1967)
Cab Driver (1 episode, 1967)
Mrs. Endicott (1 episode, 1967)
Doctor Stark (1 episode, 1968)
Blake (1 episode, 1968)
Security Officer (1 episode, 1968)
(1 episode, 1968)
Housekeeper - Irma (1 episode, 1968)
Eddie McKay (1 episode, 1968)
Amos Foster (1 episode, 1968)
Dr. Bill Jacobs (1 episode, 1968)
Paul (1 episode, 1967)
Frenchman (1 episode, 1967)
Boy (1 episode, 1967)
Miss Fox (1 episode, 1967)
Male Nurse (1 episode, 1967)
Colonel Ralph Gentry (1 episode, 1967)
Guard #2 (1 episode, 1967)
Frank (1 episode, 1967)
Alien #2 (1 episode, 1967)
Molly (1 episode, 1967)
Minister (1 episode, 1967)
Miss Johnson (1 episode, 1967)
Murphy (1 episode, 1967)
Young Doctor (1 episode, 1967)
Second Mate (1 episode, 1968)
Michael Baxter (1 episode, 1968)
Dorsey (1 episode, 1968)
Alien Nurse (1 episode, 1968)
Scientist (1 episode, 1968)
Boy (1 episode, 1968)
Danielson (1 episode, 1967)
Waitress (1 episode, 1967)
Guide #1 (1 episode, 1967)
Fred Wilk Sr. (1 episode, 1967)
MP Alien (1 episode, 1967)
Lt. Sally Harper (1 episode, 1967)
Male Alien (1 episode, 1967)
Nurse (1 episode, 1967)
Hypnotist Alien (1 episode, 1967)
Policeman (Frank) (1 episode, 1967)
Guard (1 episode, 1967)
Human Capt. William Taft (1 episode, 1967)
Ambulance Driver (1 episode, 1967)
Alien at Controls (1 episode, 1967)
Joey (1 episode, 1967)
Junior Officer (1 episode, 1968)
Mrs. Fielding (1 episode, 1968)
Donner (1 episode, 1968)
Station Attendant (1 episode, 1968)
Robertson (1 episode, 1968)
Tressider's Man (1 episode, 1967)
Guide #2 (1 episode, 1967)
Owens (1 episode, 1967)
Earl Garber (1 episode, 1967)
Teenager (1 episode, 1967)
Mrs. Wilk (1 episode, 1967)
Rescuer (1 episode, 1967)
Fred Danielson (1 episode, 1967)
Girl Alien (1 episode, 1967)
Sgt. Hal Corman (1 episode, 1967)
Major (1 episode, 1967)
Alien Patient (1 episode, 1967)
Alien Guard (1 episode, 1967)
Air Policeman (1 episode, 1968)
Security (1 episode, 1968)
Stanley Leeds (1 episode, 1968)
Townswoman (1 episode, 1967)
Newsman (1 episode, 1967)
Hank Braden (1 episode, 1967)
John Lovell (1 episode, 1967)
Roberts (1 episode, 1967)
Mike (1 episode, 1967)
Arthur Singeiser (1 episode, 1967)
Intern (1 episode, 1967)
Woman Attendant (1 episode, 1967)
Victoria (1 episode, 1967)
Walter (1 episode, 1968)
George - Waiter (1 episode, 1968)
Driver (1 episode, 1967)
Townsman (1 episode, 1967)
Attendant (1 episode, 1967)
Hippie (1 episode, 1967)
Archie (1 episode, 1967)
Bartender (1 episode, 1967)
Beggar (1 episode, 1967)
Deputy in Charge (1 episode, 1967)
Jury Member (1 episode, 1968)
Brother (1 episode, 1967)
Corridor Guard (1 episode, 1967)
Elizabeth Garber (1 episode, 1967)
Coroner (1 episode, 1967)
Second Reporter (1 episode, 1967)
Hotel Engineer (1 episode, 1968)
Student (1 episode, 1967)
Third Reporter (1 episode, 1967)
Fourth Reporter (1 episode, 1967)
Technician (1 episode, 1967)
Juror (1 episode, 1968)
Narrator (uncredited) (unknown episodes)
Introductory Narrator (uncredited) (unknown episodes)
Alien / Alien in Car / Attache / Photo Reporter / Policeman (uncredited) (unknown episodes)
Alien / Alien Shooting Morgan Tate's Car / Ed's Friend / Highway Patrolman Alien (uncredited) (unknown episodes)
Alien / Alien Committeeman / Doctor / Onlooker / Police Officer (uncredited) (unknown episodes)
Observer Outside Building / Photographer / Police Officer / Waiter (uncredited) (unknown episodes)
Diplomat / Juror / Military Officer / Summit Attendee (uncredited) (unknown episodes)
Arthur Coy / Diplomat / Film Crew Member / Security Guard (uncredited) (unknown episodes)
Alien / Alien Assassin / Alien Committeeman / Attendant (uncredited) (unknown episodes)
Alien / Bartender / Townsman (uncredited) (unknown episodes)
Mission Control Officer / Photographer / Reporter / Townsman (uncredited) (unknown episodes)
Film Crew Member / Follower / Reporter (uncredited) (unknown episodes)
Alien / Juror / Pedestrian (uncredited) (unknown episodes)
Police Officer / Security Guard (uncredited) (unknown episodes)
Bar Patron / Commuter at Airport / Executive (uncredited) (unknown episodes)
Alien / Alien Fighting with Kramer (uncredited) (unknown episodes)
Summit Attendee / Waiter (uncredited) (unknown episodes)
Bartender / Passenger (uncredited) (unknown episodes)
General / Reporter (uncredited) (unknown episodes)
Harry - Lab Scientist / Security Guard (uncredited) (unknown episodes)
Photographer / Tourist (uncredited) (unknown episodes)
Alien (uncredited) (unknown episodes)
Believer / Mission Control Officer (uncredited) (unknown episodes)
Executive / Mission Control Officer (uncredited) (unknown episodes)
Guard / Sheriff (uncredited) (unknown episodes)
Passenger / Summit Attendee (uncredited) (unknown episodes)
Commuter / Townsman (uncredited) (unknown episodes)
Believer / Summit Attendee (uncredited) (unknown episodes)
Police Officer (uncredited) (unknown episodes)
Summit Attendee (uncredited) (unknown episodes)
Guard (uncredited) (unknown episodes)
Patrolman (uncredited) (unknown episodes)
Military Officer (uncredited) (unknown episodes)
EURAC Information Officer (uncredited) (unknown episodes)
Alien on Boat (uncredited) (unknown episodes)
Passerby (uncredited) (unknown episodes)
Man (uncredited) (unknown episodes)
Pool Player (uncredited) (unknown episodes)
Reporter (uncredited) (unknown episodes)
Taxi Driver (uncredited) (unknown episodes)
Townsman (uncredited) (unknown episodes)
Workman (uncredited) (unknown episodes)
Courtroom Spectator (uncredited) (unknown episodes)
Lab Worker (uncredited) (unknown episodes)
Trial Spectator (uncredited) (unknown episodes)
Restaurant Patron (uncredited) (unknown episodes)
Hotel Guest (uncredited) (unknown episodes)
Juror (uncredited) (unknown episodes)
Bar Patron (uncredited) (unknown episodes)
