Sky King / Mason (72 episodes, 1952-1959)
Penny King (72 episodes, 1952-1959)
Sheriff Mitch Hargrove (26 episodes, 1956-1959)
Clipper King (19 episodes, 1952)
Bob Carey (10 episodes, 1956)
Bert / Gordon / Harley / Lonnie / Ollie / Waco Johnson (6 episodes, 1956-1959)
Charlie / Deputy Sheriff Frank Sheldon / Joe Ness / Lazor / Ric Varney (5 episodes, 1956-1959)
Frisco / Pete / Red Forrest / Second Man / Varner (5 episodes, 1956-1959)
Sheriff Hollister / Sheriff (5 episodes, 1952)
Jim Bell (4 episodes, 1952)
Jim Herrick / Josh Bradford / Old Dan Grable / Pop Benson (4 episodes, 1952-1956)
Charlie / Ben / Dr. Sommers (4 episodes, 1956-1958)
Bull Harrison / Dave / Fred Clay / Sinclair (4 episodes, 1952-1958)
Mickey (3 episodes, 1959)
Davey Wilson (3 episodes, 1958)
Chief Petty Officer / Martin Wellman / Tom (3 episodes, 1952-1959)
Gen. Summers / Milo Frost / Waring (3 episodes, 1956-1958)
Colonel Yates / Joe Dorn / Railroad President (3 episodes, 1952-1958)
Joe / Karl / Silky (3 episodes, 1956-1958)
Al / Lt. Ramirez / Mel (3 episodes, 1956)
Blackie / Carlo / Marty (3 episodes, 1952-1958)
Curt / Deputy Briggs / Stu, the Mechanic (3 episodes, 1952-1956)
Sheriff (3 episodes, 1952)
Burke / Goldie, the blackmailer / Hale (3 episodes, 1952-1956)
Matt / Murdock (2 episodes, 1956)
Hank Marshall / Rod Brooks (2 episodes, 1956)
Healy / Sam Driver (2 episodes, 1958-1959)
Ellis Carson / Redick (2 episodes, 1956-1957)
Hunt Morgan / Jim Grant (2 episodes, 1958)
Carter / Judson DeWitt (2 episodes, 1952-1959)
Al Condon / Paul Redmond (2 episodes, 1952-1958)
Majeck / Professor Kurt Gluckman (2 episodes, 1952-1956)
Chuck Wilson / Kinnard (2 episodes, 1956)
Slack / Stoney (2 episodes, 1956)
Ernie Rigo / Mason Sinclair (2 episodes, 1956)
Link / Rip Owen (2 episodes, 1952-1959)
Martha Barret / Mrs. Van Kamp (2 episodes, 1952-1958)
Miguel / The Rajah (2 episodes, 1956-1958)
Art / Ted (2 episodes, 1956)
Larson / Ringmaster (2 episodes, 1958)
Al Meadows / Jeff (2 episodes, 1956-1958)
Al / George Cannon (2 episodes, 1956)
George Wilson / Judge Mason (2 episodes, 1956)
Granny / Mrs. Mason (2 episodes, 1956)
Conroy / Operator (2 episodes, 1958-1959)
Briggs / Fred Watson (2 episodes, 1952-1956)
Charlie / Pop Reilly (2 episodes, 1952)
Appleby / Bailey (2 episodes, 1956-1958)
Constable Stone / Max Wilson (2 episodes, 1958-1959)
Max / Sven Grunsted (2 episodes, 1958)
Joe Graham / Sports Store Clerk (2 episodes, 1956-1957)
Amos Lorkin / Doc Adams (2 episodes, 1956)
Ben Molter / Fred Cootes (2 episodes, 1956)
Civil Aeronautics Official / Guard (2 episodes, 1956-1958)
First Man / Telephone Official (2 episodes, 1952-1958)
Jake / Mac (2 episodes, 1952)
Sheriff (2 episodes, 1952)
Deputy Bert / Deputy Bert Goodwin (2 episodes, 1952)
Manning / Rick Fallon (2 episodes, 1952-1956)
Juan / Tai Lan (2 episodes, 1952-1956)
Ezzie / Old Ben Poe (1 episode, 1958)
Doc Sawyer (2 episodes, 1959)
Police Captain / Policeman (1 episode, 1956-1958)
Detective Kenny (1 episode, 1958)
Jimmy Ling (1 episode, 1956)
Maj. Dave McKay (1 episode, 1956)
Stony Harrison (1 episode, 1958)
Jean Turnot (1 episode, 1958)
Doctor Bill Waters (1 episode, 1958)
Blanche Golden (1 episode, 1958)
Willie McNair (1 episode, 1958)
Clayton Jones (1 episode, 1958)
Paul Prentiss (1 episode, 1958)
Dr. Dan Vicker (1 episode, 1958)
Poppo the Clown (1 episode, 1958)
Angus McGonicle (1 episode, 1958)
Kirt Carlson (1 episode, 1958)
Frank (1 episode, 1959)
Jimmy Ness (1 episode, 1959)
Hank Martin (1 episode, 1959)
Griz Raetze (1 episode, 1952)
Rudolph Mizner (1 episode, 1952)
Nail Gorham (1 episode, 1952)
Worthless Jones (1 episode, 1952)
Sam Barret (1 episode, 1952)
Earl Bland / Gaff Morgan (1 episode, 1952)
Elaine Hudson (1 episode, 1952)
Lucille Bradley (1 episode, 1952)
Gideon Parrish (1 episode, 1952)
Vic Lawrence (1 episode, 1952)
Ipp (1 episode, 1956)
George Stillings (1 episode, 1956)
Denise McKay (1 episode, 1956)
Ken Kittredge (1 episode, 1957)
Joe Belden (1 episode, 1958)
Joe Halliday (1 episode, 1958)
Mrs. Barrett (1 episode, 1958)
Moose Tanner (1 episode, 1958)
Mr. Briggs (1 episode, 1958)
Mary Swanson (1 episode, 1958)
Gloria Blane (1 episode, 1958)
Johnny Henderson (1 episode, 1958)
Greg Nelson (1 episode, 1958)
Jack (1 episode, 1958)
Frank Geller (1 episode, 1958)
The Great Barlow (1 episode, 1958)
Clair Hutchins (1 episode, 1958)
Senora Valdez (1 episode, 1958)
Ken Chatam (1 episode, 1958)
Andy (1 episode, 1959)
Chief Lone Cloud (1 episode, 1959)
Phil Banning (1 episode, 1959)
Nell Prentice (1 episode, 1959)
June Martin (1 episode, 1959)
Dr. Frederic Malin (1 episode, 1959)
Jesse Herrick (1 episode, 1952)
Matt Reynolds (1 episode, 1952)
John Waythron (1 episode, 1952)
Heinrich Mahler (1 episode, 1952)
Danny Corrigan (1 episode, 1952)
Doc Rogers (1 episode, 1952)
Henry Bradley (1 episode, 1952)
Lieutenant Doug Mercer (1 episode, 1952)
Jeff Bradford (1 episode, 1952)
Dr. Roy Urban (1 episode, 1952)
Charles D. Griffith (1 episode, 1952)
Harvey Travis (1 episode, 1952)
Allen McNeil (1 episode, 1952)
Dr. Hazara (1 episode, 1952)
Carmita Fernandez (1 episode, 1956)
Chief (1 episode, 1956)
Capt. Harry Lamp (1 episode, 1957)
Jim Clark (1 episode, 1957)
Frank Kinnard (1 episode, 1958)
Bob (1 episode, 1958)
Sylvan Des Moines (1 episode, 1958)
Judith Belden (1 episode, 1958)
Rusty (1 episode, 1958)
Peters (1 episode, 1958)
Bob McLain (1 episode, 1958)
Francis Delmer (1 episode, 1958)
Eldon Freese (1 episode, 1958)
Kelligan (1 episode, 1958)
Willard Garvin (1 episode, 1958)
Charlie Barrett (1 episode, 1958)
Everett Hutchins (1 episode, 1958)
Sheriff of Oakdale (1 episode, 1958)
Chief Waning Moon (1 episode, 1958)
Jack Swanson (1 episode, 1958)
Logan Hatch (1 episode, 1958)
Matt Farber (1 episode, 1958)
Lou (1 episode, 1958)
Vic Mathews (1 episode, 1959)
Beck (1 episode, 1959)
Lobos (1 episode, 1959)
Huber (1 episode, 1959)
Brewer (1 episode, 1959)
Fahey (1 episode, 1959)
Meltzer (1 episode, 1959)
Matt Guthrie (1 episode, 1952)
Sue Reynolds (1 episode, 1952)
Jim Taylor (1 episode, 1952)
Frank Carney / Jack Cramer (1 episode, 1952)
Joe Gans (1 episode, 1952)
Maj. Gordon (1 episode, 1952)
B.J. Gebhart (1 episode, 1952)
Matt Durkin (1 episode, 1952)
Lefty Grogan (1 episode, 1952)
Margaret Bradford (1 episode, 1952)
Juan Sanchez (1 episode, 1952)
Judge Scott (1 episode, 1952)
Hirsch (1 episode, 1952)
Bishop (1 episode, 1956)
Turk (1 episode, 1956)
Capt. Andrews (1 episode, 1956)
Sam Ling (1 episode, 1956)
Stan Newton (1 episode, 1956)
Ralph Clark (1 episode, 1957)
Jack Beal (1 episode, 1958)
Mighty Morgan (1 episode, 1958)
Maria (1 episode, 1958)
Captain Thomas (1 episode, 1958)
Bobby Hutchins (1 episode, 1958)
Red O'Brian (1 episode, 1958)
Miller (1 episode, 1958)
Troy - Ranch Hand (1 episode, 1958)
Andre Ramel (1 episode, 1958)
Joe Calva (1 episode, 1958)
Hank (1 episode, 1958)
Jen Cummings (1 episode, 1958)
Pilot Henchman (1 episode, 1958)
Uncle Norman (1 episode, 1958)
Clay Abbott (1 episode, 1958)
Ben Merson (1 episode, 1958)
Rawson (1 episode, 1959)
Al Collier (1 episode, 1959)
Rick (1 episode, 1959)
Pepi (1 episode, 1959)
Franz (1 episode, 1959)
Gretchen Gluckman (1 episode, 1952)
Satch (1 episode, 1952)
Rita Miller (1 episode, 1952)
Whit Bolling (1 episode, 1952)
Bob Durkin (1 episode, 1952)
Gus (1 episode, 1952)
Frank Reynolds (1 episode, 1952)
Jim Parsons (1 episode, 1952)
Joseph (1 episode, 1952)
Ed Briggs (1 episode, 1952)
Jack Corwin (1 episode, 1952)
Elizabeth Carney (1 episode, 1952)
Peggy Dorn (1 episode, 1952)
Jonathan Wells' Niece (1 episode, 1952)
Matt Clay (1 episode, 1956)
Fred Bates (1 episode, 1956)
Chan (1 episode, 1956)
Carl / Dr. Ferris (1 episode, 1956)
Hutch (1 episode, 1956)
Herman the Hermit (1 episode, 1956)
Karen Majeck (1 episode, 1956)
Jewelry Clerk (1 episode, 1957)
Miss Norris (1 episode, 1958)
Captain Steven Blake (1 episode, 1958)
Hunk Murray (1 episode, 1958)
Deputy Sheriff Burke (1 episode, 1958)
'Bobcat' Hazin (1 episode, 1958)
Sheriff Benson (1 episode, 1958)
Barney (1 episode, 1958)
Officer Joe Wells (1 episode, 1958)
Doctor (1 episode, 1958)
Marsa (1 episode, 1958)
Prospector (1 episode, 1958)
Jake (1 episode, 1958)
Amill (1 episode, 1959)
Connor (1 episode, 1959)
Sal (1 episode, 1959)
Betty (1 episode, 1959)
Mark (1 episode, 1952)
Blake (1 episode, 1952)
Ellen Barret (1 episode, 1952)
Mr. Davis (1 episode, 1952)
Rhonda Durkin (1 episode, 1952)
Curt (1 episode, 1952)
Mrs. McNeil (1 episode, 1952)
Stagecoach Driver (1 episode, 1956)
Old Man Dennis (1 episode, 1956)
Dr. Nogard (1 episode, 1956)
Tod Hunter (1 episode, 1956)
Pepe (1 episode, 1956)
Joe (1 episode, 1956)
Official (1 episode, 1958)
Winslow (1 episode, 1958)
Sam (1 episode, 1958)
Station Master (1 episode, 1958)
Turk (1 episode, 1958)
Doc Robinson (1 episode, 1958)
First Buddy (1 episode, 1958)
Mac (1 episode, 1958)
Tony Moore (1 episode, 1952)
Koster (1 episode, 1952)
Nat (1 episode, 1952)
Hugo Mercer (1 episode, 1952)
Jose Sanchez (1 episode, 1952)
Silas Hawkins (1 episode, 1952)
First Reformatory Guard (1 episode, 1952)
Kralenko (1 episode, 1952)
Maria (1 episode, 1956)
Station Attendant (1 episode, 1956)
Fred (1 episode, 1958)
Briggs (1 episode, 1958)
Charlie (1 episode, 1958)
Referee (1 episode, 1958)
Second Buddy (1 episode, 1958)
Al (1 episode, 1952)
Telephone Man (1 episode, 1952)
Second Reformatory Guard (1 episode, 1952)
Guard (1 episode, 1952)
Marty (1 episode, 1958)
Rodeo Announcer (1 episode, 1952)
Deputy Sheriff Bob (1 episode, 1952)
Mexican Worker (1 episode, 1956)
Charlie, Young Deputy (1 episode, 1952)
Fletcher (1 episode, 1952)
Penwick (1 episode, 1952)
Mrs. Tyler (1 episode, 1959)
(1 episode, 1959)
Toby Tyler (1 episode, 1959)
Truck (uncredited) (1 episode, 1952)
Grandma (uncredited) (1 episode, 1958)
Search Party Member (uncredited) (1 episode, 1958)
Coyote Hunter (uncredited) (1 episode, 1958)
Circus spectator (uncredited) (1 episode, 1958)