Hopalong Cassidy / Marshal Hopalong Cassidy / Sheriff Hopalong Cassidy / Bill Hopalong Cassidy / Hopalong Cassidy posing as John Smith (52 episodes, 1952-1954)
Red Connors / Sheriff Red Connors (40 episodes, 1952-1954)
Brad Mason / Judson Rush / Roger Endicott / Sam Chapman aka Jim Forrester (4 episodes, 1952-1954)
Dr. Johnny Tall Horse / Marco Rodriguez / Ramon Torres (3 episodes, 1952-1954)
Clay Morgan / Lieutenant Rex Melton / Norman Blaine (3 episodes, 1952-1954)
Frank Dale / Ross / Sid Michael (3 episodes, 1952-1953)
Captain Lee Sterling / Henchman Pike Jennings / Ramon Gardena (3 episodes, 1952-1954)
Boyle - Banker / Mayor Hiram Tilden (2 episodes, 1952-1953)
Arnold Rivers / Dan Clemens (2 episodes, 1952-1953)
Big John Bragg / Lou Forler (2 episodes, 1952-1953)
Andy Andrews / Sam Murdock (2 episodes, 1952-1954)
Carlos Valero / Jose Martinez (2 episodes, 1952-1954)
Daley - Foreman / Morgan (2 episodes, 1952-1953)
Hired gunman / Jim Adams (2 episodes, 1953)
Christine Russell / Dorothy Preston (2 episodes, 1952-1954)
Steve Buckley - Henchman / Tom Stacy (2 episodes, 1952-1953)
Doc Seeley / Frank Walton (2 episodes, 1952-1953)
Henchman / Poynter - Henchman (2 episodes, 1952-1954)
Chief Tall Horse / John Preston aka Jose Hernandez (2 episodes, 1952-1954)
Henchman Belker / Henchman Slade (2 episodes, 1953-1954)
Brenner / Ted Gray (2 episodes, 1954)
Banker Todd / Editor Tom McLain (2 episodes, 1952-1954)
Dillon / Leeds - Henchman (2 episodes, 1952-1954)
Colonel Chavez / District Attorney Sanchez (2 episodes, 1952-1954)
Richard Wald / Sheriff Charley (2 episodes, 1952-1953)
Bob Hayes / Rawhide Carney - Henchman (2 episodes, 1952-1953)
Foreman Burke / Henchman Burke (2 episodes, 1952-1953)
Henchman / Henchman Slim (2 episodes, 1952)
Ollie Gray / Sam Burger (2 episodes, 1952-1954)
Doc / Sheriff Lane (2 episodes, 1952-1953)
Gil - Henchman / Henchman Biggs (2 episodes, 1952)
Stage Driver / Stagecoach Driver (2 episodes, 1952-1954)
Henchman Carter / Jim Morgan (2 episodes, 1953-1954)
Dick Lewis / Dick the Bank Clerk (2 episodes, 1952-1953)
Cashier / Doc (2 episodes, 1952-1953)
Bartender / Hotel Clerk (1 episode, 1952)
Hank Scofield (1 episode, 1952)
Bob Norman (1 episode, 1952)
Deacon Denby (1 episode, 1952)
Tommy Lewis (1 episode, 1952)
Judy Marlow (1 episode, 1952)
Ed Bailey aka Blake (3 episodes, 1952)
Hobart (1 episode, 1952)
John Vandemeer (1 episode, 1952)
Manuel Soledad (1 episode, 1952)
Marshal Mamie Taylor (1 episode, 1952)
Nelson Whitley (1 episode, 1952)
Stephen Roberts (1 episode, 1953)
Fred Loomis (1 episode, 1953)
Johnny Bolton (1 episode, 1953)
Artaro - Son of Calvato (1 episode, 1953)
Wilberforce Lawrence Edgemont - aka The Professor (1 episode, 1953)
Turk Shanns (1 episode, 1953)
Billy Murdock (1 episode, 1953)
Pop Ashton (1 episode, 1954)
Bummer Lowe (1 episode, 1954)
Sheriff Ray Barnett (1 episode, 1954)
Adele Keller (1 episode, 1954)
Dr. Glenn Scott (1 episode, 1954)
Hermit Joe Soakie Jones (1 episode, 1954)
Bill Bricker (1 episode, 1954)
Matilda Harron (1 episode, 1954)
Tommy Red Arrow (1 episode, 1954)
Lilli Vandemeer (1 episode, 1952)
Tom Marlow (1 episode, 1952)
Rance Barlow (1 episode, 1952)
Nancy Croft (1 episode, 1952)
Betty Turner (1 episode, 1952)
Miss Mayo - Secretary (1 episode, 1952)
George Byers (1 episode, 1953)
Cal Foster (1 episode, 1953)
Sheriff Gordon (1 episode, 1952-1953)
Dorothy Murdock (1 episode, 1953)
Doc Weston (1 episode, 1953)
Reverend Edward Adams (1 episode, 1953)
Buck Staley (1 episode, 1953)
Lait - Henchman (1 episode, 1953)
Marella - Artaro's Love Interest (1 episode, 1953)
Charlie Gale (1 episode, 1953)
Rick Ashton (1 episode, 1954)
Stacy Keller (1 episode, 1954)
Mrs. Edna Turner (1 episode, 1954)
David Barnett (1 episode, 1954)
Frank Scott aka Prescott (1 episode, 1954)
Maria Martinez (1 episode, 1954)
Samuel Harron (1 episode, 1954)
Harry Keller (1 episode, 1954)
Morse (1 episode, 1954)
Don Miguel Alvarez (1 episode, 1954)
Trevor Lane (1 episode, 1952)
Simon Cosgrove (1 episode, 1952)
Noreen Thomas (1 episode, 1952)
Lucy Barlow (1 episode, 1952)
Sheriff (1 episode, 1952)
Blaine Turner (1 episode, 1952)
Neil Croft (1 episode, 1952)
Sam Coates (1 episode, 1952)
Steve - Henchman (1 episode, 1952)
Pat Dougherty (1 episode, 1953)
Carol Madden (1 episode, 1953)
Outlaw Leader (1 episode, 1953)
Henry Grant (1 episode, 1953)
Ramsey - Robber (1 episode, 1953)
Grimes - Henchman (1 episode, 1953)
Don Moore (1 episode, 1953)
Mother Kiomi (1 episode, 1953)
Jenny Warren (1 episode, 1953)
Doctor (1 episode, 1953)
Lola Alvarez (1 episode, 1954)
Frank Bent (1 episode, 1954)
Henchman (1 episode, 1954)
Albert Biggs (3 episodes, 1952-1954)
Dr. Sheldon Lowe (1 episode, 1954)
Trixie Brown (1 episode, 1954)
Henchman Steve (1 episode, 1954)
Charles Scott (1 episode, 1954)
Chad Young (1 episode, 1954)
Jim Taggart (1 episode, 1954)
Constable Martin (1 episode, 1954)
Roscoe Hicks (1 episode, 1952)
Carmencita Escobar (1 episode, 1952)
Mary Warner (1 episode, 1952)
John Emery (1 episode, 1952)
Jack Gardner (1 episode, 1952)
Sandy Morgan (1 episode, 1953)
Henry Warren - Banker (1 episode, 1953)
Ralph Higgins (1 episode, 1953)
Dick Madden (1 episode, 1953)
Frank Ellis (1 episode, 1953)
Jack Lawson (1 episode, 1953)
Man Freeing Hoppy (1 episode, 1953)
Trig Dawson - Henchman (1 episode, 1954)
Frank Harrison (1 episode, 1954)
Nancy Mathews (5 episodes, 1952-1954)
Henchman (1 episode, 1952-1954)
Doctor (1 episode, 1954)
Sam Wade (2 episodes, 1952-1954)
Bob Murdock (1 episode, 1954)
Trem Hardy (1 episode, 1954)
Sam Hardin (1 episode, 1954)
Maudie (1 episode, 1952)
Henchman (1 episode, 1952)
Blackie - Henchman (1 episode, 1952)
Trini - Saloon Gal (1 episode, 1952)
Judd Marlow (1 episode, 1952)
Judge Graham (1 episode, 1952)
Jane Sawyer (1 episode, 1953)
Ginny Clemens (1 episode, 1953)
Betty Black (1 episode, 1953)
Ed Garver (1 episode, 1953)
Hired gunman (1 episode, 1953)
Miss Kerner (1 episode, 1953)
John Henderson (1 episode, 1953)
Frank Samuels (1 episode, 1953)
Captain Moreno (1 episode, 1953)
Herb Dougherty - Banker (1 episode, 1953)
Dan Warner (1 episode, 1954)
Constable Tom Gorham (1 episode, 1954)
Picture Pete (7 episodes, 1952-1954)
Henchman Dakota (1 episode, 1954)
Henchman Earl Fox (1 episode, 1954)
Marshal Tighe (1 episode, 1954)
Jim Woods (1 episode, 1954)
Jose (1 episode, 1954)
Monte Kane (1 episode, 1954)
Murphy (1 episode, 1952)
Corporal Gonzales (1 episode, 1952)
Brandley (1 episode, 1952)
Stage Manager (1 episode, 1952)
Bascombe (1 episode, 1952)
Bearcat Smith (1 episode, 1953)
King Lasho (1 episode, 1953)
Frank Sawyer (1 episode, 1953)
Jeff Clemens (1 episode, 1953)
Brock Fain (1 episode, 1954)
Nat Burnham (1 episode, 1954)
Henchman Wade (1 episode, 1954)
Jason Rand (1 episode, 1954)
Breck (1 episode, 1954)
Marian Bent (1 episode, 1954)
Henchman Wilks (1 episode, 1954)
Senora Soledad (1 episode, 1952)
Stout Businessman (1 episode, 1952)
Brawler in Bank (1 episode, 1953)
Judge Edwards (1 episode, 1954)
Mexican Woman (1 episode, 1954)
Wounded Driver (1 episode, 1952)
Servant (1 episode, 1954)
Hoppy's Horse / Topper / Topper - Hoppy's Horse / Topper, Hoppy's Horse (uncredited) (6 episodes, 1952-1954)
Henchman / Townsman / Stage Driver / Stage Guard / Wagon Driver Tex / 2nd Stage Guard / Emery Ranch Hand / Man on Wagon / Rurale / Starky / Storekeeper / Tex / Wagon Driver / Wounded Stage Driver (uncredited) (26 episodes, 1952-1954)
Townsman / Fight Spectator / Henchman / Poker Player / Posse Member / Posse Rider / Townsman at Funeral (uncredited) (11 episodes, 1952-1954)
Townsman / Henchman / Posse Rider / Bank Customer (uncredited) (10 episodes, 1952-1954)
Townsman / Barfly / Old Townsman (uncredited) (9 episodes, 1952-1954)
Townsman (uncredited) (6 episodes, 1952-1954)
Townsman (uncredited) (6 episodes, 1953-1954)
Townsman / Herman - Henchman (uncredited) (6 episodes, 1952-1954)
Townsman / Indian (uncredited) (4 episodes, 1953-1954)
Townsman / Felton - Henchman (uncredited) (4 episodes, 1953)
Townsman (uncredited) (3 episodes, 1952-1954)
Townsman / Hotel Clerk (uncredited) (3 episodes, 1952-1954)
Townsman (uncredited) (3 episodes, 1954)
Townsman (uncredited) (2 episodes, 1952-1954)
Townsman (uncredited) (2 episodes, 1952-1953)
Townsman (uncredited) (2 episodes, 1953-1954)
Knife Thrower in Cantina / Manuel (uncredited) (2 episodes, 1953-1954)
Henchman / Townsman (uncredited) (2 episodes, 1953)
Townsman (uncredited) (2 episodes, 1953)
Pete Walters (uncredited) (1 episode, 1952)
Townsman (uncredited) (1 episode, 1952)
Townswoman (uncredited) (1 episode, 1952)
Cattleman (uncredited) (2 episodes, 1952)
Townsman (uncredited) (1 episode, 1953)
Sheriff (uncredited) (1 episode, 1953)
Cantina Patron (uncredited) (1 episode, 1954)
Townsman (uncredited) (1 episode, 1954)
Pima City Banker (uncredited) (1 episode, 1954)