 Lee TracyNick Burton | Nick Burton |
 Linda HayesHelen Hewitt | Helen Hewitt |
 Raymond WalburnBruce Vander | Bruce Vander |
 Morgan ConwayJames Brent | James Brent |
 Truman BradleyDr. William 'Bill' Collins | Dr. William 'Bill' Collins |
 Virginia ValeMay Thomas | May Thomas |
 Cliff EdwardsHappy | Happy |
 Paul GuilfoyleOx | Ox |
 Thurston HallHarold Kellogg | Harold Kellogg |
 Chester CluteSidney Keats | Sidney Keats |
 Shemp HowardProfessor | Professor |
 Horace McMahonSylvester Odgen 'SOS' Schofield (as Horace MacMahon) | Sylvester Odgen 'SOS' Schofield (as Horace MacMahon) |
 Thomas E. JacksonWarden Tom Hammond | Warden Tom Hammond |
 Elliott SullivanTony Brody | Tony Brody |
 Selmer JacksonDr. Harry Lindsay | Dr. Harry Lindsay |
 Vinton Hayworth'Windy' Windsor (as Jack Arnold) | 'Windy' Windsor (as Jack Arnold) |
 Brooks BenedictReporter (uncredited) | Reporter (uncredited) |
 Leo ClearyDeputy Taking Collins to Prison (uncredited) | Deputy Taking Collins to Prison (uncredited) |
 Richard CramerGuard Finding Keats' Menu (uncredited) | Guard Finding Keats' Menu (uncredited) |
 Hal K. DawsonMike, a Reporter (uncredited) | Mike, a Reporter (uncredited) |
 Joe DevlinVince Connell (uncredited) | Vince Connell (uncredited) |
 John DilsonObserver at Train Station (uncredited) | Observer at Train Station (uncredited) |
 Charlie HallCockney Convict Heckler (uncredited) | Cockney Convict Heckler (uncredited) |
 Kenneth HarlanJerry Connell (uncredited) | Jerry Connell (uncredited) |
| EEddie HartReporter (uncredited) | Reporter (uncredited) |
 Dell HendersonDell, Deputy Taking Vander to Prison (uncredited) | Dell, Deputy Taking Vander to Prison (uncredited) |
 Donald KerrPrison Library Clerk (uncredited) | Prison Library Clerk (uncredited) |
| RRoger LaswellGuard (uncredited) | Guard (uncredited) |
| GGrace LenardMarie Brody (uncredited) | Marie Brody (uncredited) |
 Sam LufkinConvict (uncredited) | Convict (uncredited) |
