 | Robert Montgomery als Phillip Marlowe |
 | Audrey Totter als Adrienne Fromsett |
 | Lloyd Nolan als Lieutenant DeGarmot |
 | Tom Tully als Captain Kane |
 | Leon Ames als Derace Kingsby |
 | Jayne Meadows als Mildred Haveland |
 | Dick Simmons als Chris Lavery |
 | Morris Ankrum als Eugene Grayson |
 | Lila Leeds als Receptionist |
 | William Roberts als Artist |
 | Kathleen Lockhart als Mrs. Grayson |
 | Ellay Mort als Crystal |
 | Ellen Ross als Elevator Girl (Uncredited) |
 | Eddie Acuff als Ed, Coroner (Uncredited) |
 | Charles Bradstreet als Party Guest (Uncredited) |
| David Cavendish als Party Guest (Uncredited) |
 | Wheaton Chambers als Property Clerk (Uncredited) |
| Roger Cole als Party Guest (Uncredited) |
 | Frank Dae als Party Guest (Uncredited) |
| Jack Davis als Policeman (Uncredited) |
| John Webb Dillion als Policeman (Uncredited) |
 | Ralph Dunn als Sergeant (Uncredited) |
 | Budd Fine als Policeman (Uncredited) |
 | John Gallaudet als Policeman (Uncredited) |
| Nina Garson als Party Guest (Uncredited) |
| Sherry Hall als Party Guest (Uncredited) |
 | Cy Kendall als Jailer (Uncredited) |
| Ann Lawrence als Party Guest (Uncredited) |
 | George Magrill als Policeman (Uncredited) |
| Bert Moorhouse als Party Guest (Uncredited) |
| Sandra Morgan als Party Guest (Uncredited) |
| Thomas Murray als Policeman (Uncredited) |
 | William Newell als Drunk (Uncredited) |
 | James Nolan als Party Guest (Uncredited) |
| William O'Leary als Party Guest (Uncredited) |
 | Frank Orth als Floyd Greer (Uncredited) |
| William McKeever Riley als Buster (Uncredited) |
 | Fred Santley als Charlie (Uncredited) |
 | Fred Sherman als Reporter (Uncredited) |
| Florence Stephens als Party Guest (Uncredited) |
| George Travell als Party Guest (Uncredited) |
| Laura Treadwell als Party Guest (Uncredited) |
| Kay Wiley als Party Guest (Uncredited) |
 | Robert B. Williams als Detective (Uncredited) |
| Raymond Chandler | Screenplay |
| George Haight | Producer |
| Raymond Chandler | Novel |
| David Snell | Original Music Composer |
| Robert Montgomery | Director |
| Steve Fisher | Screenplay |
| Gene Ruggiero | Editor |
| Paul Vogel | Director of Photography |
| Sydney Guilaroff | Hair Designer |
| Jack Dawn | Makeup Artist |
| E. Preston Ames | Art Direction |
| Irene | Costume Supervisor |
| Cedric Gibbons | Art Direction |
| Edwin B. Willis | Set Decoration |
| A. Arnold Gillespie | Special Effects |
| Maurice Goldman | Original Music Composer |
| Robert E. Barnes | Unit Manager |
| Dolph Zimmer | Assistant Director |
| Thomas Theuerkauf | Set Decoration |
| Douglas Shearer | Sound Director |
| J. Harper | Camera Operator |
| Wally Heglin | Orchestrator |
| Rudolph G. Kopp | Original Music Composer |
| Robert Spencer | Stand In |
