 Spencer TracySteven 'Steve' Grey | Steven 'Steve' Grey |
 Virginia BruceMary Shannon | Mary Shannon |
 Lionel AtwillCaptain Cole | Captain Cole |
 Harvey StephensHenry Mander | Henry Mander |
 Robert BarratRobins | Robins |
 James StewartShorty | Shorty |
 William Collier Sr.'Pop' Grey | 'Pop' Grey |
 Bobby WatsonCarey Booth | Carey Booth |
 William Demarest'Red' Maguire | 'Red' Maguire |
 John SheehanSweeney | Sweeney |
 Lucien LittlefieldRafferty | Rafferty |
 George ChandlerSol Hertzberger | Sol Hertzberger |
 Fuzzy Knight'Buck' Hawkins | 'Buck' Hawkins |
 Louise HenryLillian Hopper | Lillian Hopper |
 Robert WarwickColville | Colville |
| JJoe IrvingTony | Tony |
 Francis X. Bushman Jr.Pendleton | Pendleton |
 Lita ChevretClara - Robins' Secretary (uncredited) | Clara - Robins' Secretary (uncredited) |
| JJeanie RobertsMabel (uncredited) | Mabel (uncredited) |
 Theodore von EltzJames Spencer Halford (uncredited) | James Spencer Halford (uncredited) |
 Howard HickmanHoward Jennings (uncredited) | Howard Jennings (uncredited) |
 Selmer JacksonLt. White - Ballistics Expert (uncredited) | Lt. White - Ballistics Expert (uncredited) |
 Al BridgeJudge John C. Garfield (uncredited) | Judge John C. Garfield (uncredited) |
 Heinie ConklinWarden's Secretary (uncredited) | Warden's Secretary (uncredited) |
 Edward KeaneJoe - Editor (uncredited) | Joe - Editor (uncredited) |
 Stanley AndrewsPolice Commissioner (uncredited) | Police Commissioner (uncredited) |
 Cyril RingMan at Defense Table (uncredited) | Man at Defense Table (uncredited) |
 Charles TrowbridgeDistrict Attorney (uncredited) | District Attorney (uncredited) |
 Harry TylerDoc Warren (uncredited) | Doc Warren (uncredited) |
 James FlavinPoliceman at Merry-Go-Round (uncredited) | Policeman at Merry-Go-Round (uncredited) |
