Burt Lancaster (Joe Collins)
Hume Cronyn (Capt. Munsey)
Charles Bickford (Gallagher)
Yvonne De Carlo (Gina)
Ann Blyth (Ruth)
Glenn Strange (Tompkins)
Ruth Sanderson (Miss Lawrence)
Don McGill (Max)
Howard Mitchell (Guard)
Frank Marlowe (Prisoner)
Kenneth MacDonald (Actor/Actress)
Kippee Valez (Visitor)
Peter Virgo (Guard)
Billy Wayne (Prisoner)
Harry Wilson (Tyrone, Homely Prisoner)
Guy Beach (Convict Foreman)
Rex Dale (Actor/Actress)
Hal Malone (Young Inmate)
Blanche Obronska (Young Girl)
Samir Rizkallah (Convict's Son)
Francis McDonald (Regan)
Al Ferguson (Guard)
Virginia Farmer (Sadie)
Alex Frazer (Chaplain)
Eddy Chandler (Guard)
Paul Bryar (Harry)
Whit Bissell (Tom Lister)
James Bell (Crenshaw)
Herbert Heywood (Chef)
Al Hill (Plonski)
Vince Barnett (Mugsy)
Will Lee (Kincaid)
Rex Lease (Hearse Driver)
Anita Colby (Flossie)
Jeff Corey (Freshman)
Jay C. Flippen (Hodges)
Richard Gaines (McCollum)
John Harmon (Roberts)
John Hoyt (Spencer)
Sir Lancelot (Calypso)
Sam Levene (Louie)
Charles McGraw (Andy)
James O'Reare (Wilson)
Jack Overman (Kid Coy)
Kenneth Patterson (Bronski)
Frank Puglia (Ferrara)
Wally Rose (Peary)
Art Smith (Dr. Walters)
Tom Steele (Machine Gunner #1)
Ray Teal (Jackson)
Crane Whitley (Armed Guard in Drain Pipe)
Howard Duff (Soldier)
Ella Raines (Cora)
Roman Bohnen (Warden Barnes)
Howland Chamberlain (Gaines)
Edmund Cobb (Bradley)