 | Erich von Stroheim als The Great Flamarion |
 | Mary Beth Hughes als Connie Wallace |
 | Dan Duryea als Al Wallace |
 | Steve Barclay als Eddie Wheeler |
 | Lester Allen als Tony |
 | Esther Howard als Cleo |
 | Michael Mark als Nightwatchman |
 | William A. Boardway als Audience Member (uncredited) |
 | Jack Chefe als Hotel Desk Clerk (uncredited) |
 | Kay Deslys als Sally Hampton (uncredited) |
| Alphonso DuBois als Stagehand (uncredited) |
 | John Elliott als Theatrical Agent (uncredited) |
| Jack Evans als Vagrant on Park Bench (uncredited) |
 | Franklyn Farnum als Stage Manager (uncredited) |
| Tony Ferrell als Mexican Singer (uncredited) |
| Charles Fogel als Audience Member (uncredited) |
| Joseph Granby als Detective Ramirez (uncredited) |
| Bobby Hale als Pawn Shop Clerk (uncredited) |
 | John Hamilton als Coroner (uncredited) |
| Sam Harris als Man at Coroner's Inquest (uncredited) |
| Thelma Hart als Bit (uncredited) |
 | Ethelreda Leopold als Coroner's Inquest Spectator (uncredited) |
| Robert Locke Lorraine als Audience Member (uncredited) |
| Carmen López als Mexican Dancer (uncredited) |
| Alex Melesh als Actor Playing Bellhop in Stage Sketch (uncredited) |
| Leo Mostovoy als French Entertainer (uncredited) |
 | Jack O'Shea als Stagehand (uncredited) |
| Tony Roux als Vaudevillian (uncredited) |
| Charles Soldani als Audience Member (uncredited) |
| Fred Velasco als Mexican Dancer (uncredited) |
 | Florence Wix als Audience Member (uncredited) |
| Vicki Baum | Story |
| W. Lee Wilder | Producer |
| Alexander Laszlo | Original Music Composer |
| Richard Weil | Writer |
| Anne Wigton | Screenplay |
| Anthony Mann | Director |
| Anne Wigton | Story |
| James S. Brown Jr. | Director of Photography |
| Heinz Herald | Writer |
| John F. Link Sr. | Editor |
| Glenn P. Thompson | Set Decoration |
| Percy Townsend | Sound Designer |
| Frank Paul Sylos | Art Direction |
| George Moskov | Production Manager |
| Raoul Pagel | Assistant Director |
| David Chudnow | Music Supervisor |
