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Anthony Dexter as Rudolph Valentino |
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Eleanor Parker as Joan Carlisle / Sarah Gray |
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Richard Carlson as William 'Bill' King |
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Patricia Medina as Lila Reyes |
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Joseph Calleia as Luigi Verducci |
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Dona Drake as Maria Torres |
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Lloyd Gough as Eddie Morgan |
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Otto Kruger as Mark Towers |
| Directing | Lewis Allen | Director |
| Production | Edward Small | Producer |
| Camera | Harry Stradling Sr. | Director of Photography |
| Writing | George Bruce | Screenplay |
| Writing | George Bruce | Story |
| Production | Jan Grippo | Associate Producer |
| Sound | Heinz Roemheld | Original Music Composer |
| Sound | David Chudnow | Music Supervisor |
| Editing | Daniel Mandell | Editor |
| Art | William Flannery | Art Direction |
| Art | Howard Bristol | Set Decoration |
| Directing | Emmett Emerson | Assistant Director |
| Crew | John P. Fulton | Special Effects |
| Costume & Make-Up | Ern Westmore | Makeup Artist |
| Costume & Make-Up | Marie Clark | Hairstylist |
| Sound | Fred Lau | Sound |
| Costume & Make-Up | Travis Banton | Costume Design |
| Crew | Larry Ceballos | Choreographer |
