 Humphrey BogartPhilip Marlowe | Philip Marlowe |
 Lauren BacallVivian Sternwood Rutledge | Vivian Sternwood Rutledge |
 John RidgelyEddie Mars | Eddie Mars |
 Martha VickersCarmen Sternwood | Carmen Sternwood |
 Louis Jean HeydtJoe Brody | Joe Brody |
| CCharles WaldronGeneral Sternwood | General Sternwood |
 Regis ToomeyChief Inspector Bernie Ohls | Chief Inspector Bernie Ohls |
 Sonia DarrinAgnes Lowzier (uncredited) | Agnes Lowzier (uncredited) |
 Elisha Cook Jr.Harry Jones | Harry Jones |
 Bob SteeleLash Canino | Lash Canino |
 Dorothy MaloneAcme Bookstore Proprietress | Acme Bookstore Proprietress |
 Peggy KnudsenMona Mars | Mona Mars |
 Charles D. BrownNorris the Butler | Norris the Butler |
 Trevor BardetteArt Huck (uncredited) | Art Huck (uncredited) |
| JJoy BarlowTaxi Driver (uncredited) | Taxi Driver (uncredited) |
 Max BarwynMax - Head Waiter (uncredited) | Max - Head Waiter (uncredited) |
 Deannie BestWaitress (uncredited) | Waitress (uncredited) |
 Tanis ChandlerWaitress (uncredited) | Waitress (uncredited) |
 Jack ChefeCroupier (uncredited) | Croupier (uncredited) |
| JJames ConatyNightclub Patron (uncredited) | Nightclub Patron (uncredited) |
 Joseph CrehanMedical Examiner (uncredited) | Medical Examiner (uncredited) |
| JJack DeeryNightclub Patron (uncredited) | Nightclub Patron (uncredited) |
| CCarole DouglasLibrarian (uncredited) | Librarian (uncredited) |
 Jay EatonCasino Patron (uncredited) | Casino Patron (uncredited) |
 Tom FaddenSidney (uncredited) | Sidney (uncredited) |
 Bess FlowersWoman with Bumped Man | Woman with Bumped Man |
| KKenneth GibsonCasino Patron (uncredited) | Casino Patron (uncredited) |
| JJoe GilbertNightclub Patron (uncredited) | Nightclub Patron (uncredited) |
| SStuart HallNightclub Patron (uncredited) | Nightclub Patron (uncredited) |
 Shep HoughtonCasino Patron (uncredited) | Casino Patron (uncredited) |
