 Paul HenreidJohn Muller / Dr. Bartok | John Muller / Dr. Bartok |
 Joan BennettEvelyn Hahn | Evelyn Hahn |
 Eduard FranzFrederick Muller | Frederick Muller |
 Leslie BrooksVirginia Taylor | Virginia Taylor |
 John QualenSwangron | Swangron |
 Mabel PaigeCharwoman | Charwoman |
 Herbert RudleyMarcy | Marcy |
 Charles ArntCoblenz | Coblenz |
 George ChandlerAubrey - Assistant | Aubrey - Assistant |
 Sid TomackArtell - Manager | Artell - Manager |
| AAlvin HammerJerry | Jerry |
| AAnn StauntonBlonde | Blonde |
 Paul E. BurnsClerk | Clerk |
 Charles TrowbridgeDeputy | Deputy |
 Morgan FarleyHoward Anderson | Howard Anderson |
| RRobert Ben AliRosie (uncredited) | Rosie (uncredited) |
 Ray BennettMan at Dock (uncredited) | Man at Dock (uncredited) |
 Robert BiceMaxwell's Thug (uncredited) | Maxwell's Thug (uncredited) |
| JJeanne BlackfordWoman (uncredited) | Woman (uncredited) |
| LLulu Mae BohrmanHotel Guest (uncredited) | Hotel Guest (uncredited) |
 Henry BrandonBig Boy (uncredited) | Big Boy (uncredited) |
 Steve CarruthersGambler (uncredited) | Gambler (uncredited) |
 Cliff ClarkMotorist (uncredited) | Motorist (uncredited) |
| DDulce DayWoman (uncredited) | Woman (uncredited) |
 Sayre DearingMan (uncredited) | Man (uncredited) |
 Catherine DoucetMrs. Nielson - Patient (uncredited) | Mrs. Nielson - Patient (uncredited) |
 Eddie DunnMarty (uncredited) | Marty (uncredited) |
| JJoaquin ElizondoHousekeeper (uncredited) | Housekeeper (uncredited) |
 Franklyn FarnumBig Winner (uncredited) | Big Winner (uncredited) |
 Cay ForesterNurse (uncredited) | Nurse (uncredited) |
