 Edward G. RobinsonProfessor Richard Wanley | Professor Richard Wanley |
 Joan BennettAlice Reed | Alice Reed |
 Raymond MasseyDist. Attorney Frank Lalor | Dist. Attorney Frank Lalor |
 Edmund BreonDr. Michael Barkstane | Dr. Michael Barkstane |
 Dan DuryeaHeidt / Tim, the Doorman | Heidt / Tim, the Doorman |
 Thomas E. JacksonInspector Jackson | Inspector Jackson |
 Dorothy PetersonMrs. Wanley | Mrs. Wanley |
 Robert BlakeDickie Wanley | Dickie Wanley |
 Arthur LoftClaude Mazard / Frank Howard / Charlie the Hatcheck Man | Claude Mazard / Frank Howard / Charlie the Hatcheck Man |
| FFrank DawsonCollins, the Steward | Collins, the Steward |
 Iris AdrianStreetwalker (uncredited) | Streetwalker (uncredited) |
| BBrandon BeachMan at Club (uncredited) | Man at Club (uncredited) |
| PPaul BradleyMan at Club (uncredited) | Man at Club (uncredited) |
 Don BrodieOnlooker at Gallery (uncredited) | Onlooker at Gallery (uncredited) |
 Claire CarletonBlonde (uncredited) | Blonde (uncredited) |
| JJames CarlisleMan at Club (uncredited) | Man at Club (uncredited) |
 Eddy ChandlerPolice Driver (uncredited) | Police Driver (uncredited) |
 Freddie ChapmanBoy with Mother (uncredited) | Boy with Mother (uncredited) |
 Tom DillonPolice Officer Dillon (uncredited) | Police Officer Dillon (uncredited) |
 Alec CraigGarage Man (uncredited) | Garage Man (uncredited) |
| HHal CraigNews Vendor (uncredited) | News Vendor (uncredited) |
 Joe DevlinToll Collector on Henry Hudson Parkway (uncredited) | Toll Collector on Henry Hudson Parkway (uncredited) |
 Ralph DunnTraffic Cop (uncredited) | Traffic Cop (uncredited) |
 Bess FlowersBar Patron (uncredited) | Bar Patron (uncredited) |
| JJack GardnerFred, the District Attorney's Chauffeur (uncredited) | Fred, the District Attorney's Chauffeur (uncredited) |
 Jack GarganClub Steward (uncredited) | Club Steward (uncredited) |
| JJames HarrisonClub Steward (uncredited) | Club Steward (uncredited) |
 Fred GrahamMotorcycle Cop (uncredited) | Motorcycle Cop (uncredited) |
| TTom HanlonRadio Announcer (uncredited) | Radio Announcer (uncredited) |
 Harry HaydenPharmacist (uncredited) | Pharmacist (uncredited) |
