- Douglas Kennedy
- Cliff Roberts
- Marjorie Lord
- Rita McKelvey
- Emory Parnell
- Capt. Duncan
- William 'Bill' Phillips
- Roy Snead
- Thurston Hall
- John McKelvey
- Harry Cheshire
- Henry 'Pop' O'Donnell
- Fred Aldrich
- Convict
- Stanley Blystone
- Convict on Chain Gang
- Paul E. Burns
- Dr. Evans
- Benny Burt
- Convict in Bunk
- Jack Chefe
- Convict
- James Conaty
- Pop's Influential Friend
- George Eldredge
- Guard Adams
- William Fawcett
- Zeke
- Eddie Foster
- Convict Operating Crane
- John Hart
- Chain Gang Member
- Don C. Harvey
- Guard Langley
- Charles Horvath
- Convict in Skirmish
- Billy Lechner
- Eddie Jones
- Herbert Rawlinson
- Senator Harden
- George Robotham
- Guard Reagan
- John Rogers
- Joe - Lunch Counterman
- Larry Steers
- Senate Committee Hearing Attendee
- Bert Stevens
- Newspaper Office Worker
- Brick Sullivan
- Guard
- William Tannen
- Harry Cleaver
- Dorothy Vaughan
- Mrs. Briggs
- Rusty Wescoatt
- Guard Yates
- Frank Wilcox
- Lloyd Killgallen
