Directed by
| Ray Milland | ... | (as R. Milland) |
Writing Credits
| John Tucker Battle | ... | (screenplay) |
| Martin Rackin | ... | (story) |
| Lord Byron | ... | (quotation) (uncredited) |
Cast (in credits order) complete, awaiting verification
| Ray Milland | ... | Capt. Robert John Evans | |
| Maureen O'Hara | ... | Sylvia Merrill | |
| Claude Rains | ... | Aristides Mavros | |
| Yvonne Furneaux | ... | Maria Madalena Massenet | |
| Francis Lederer | ... | Serafim | |
| Percy Marmont | ... | Lloyd Merrill | |
| Jay Novello | ... | Inspector João Casimiro Fonseca | |
| Edward Chapman | ... | Edgar Selwyn | |
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Harold Jamieson | ... | Philip Norworth |
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Humberto Madeira | ... | Toni |
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Robie Lester | ... | Singer (as Roby Charmandy) |
| Rest of cast listed alphabetically: | |||
| Anita Guerreiro | ... | Fado Singer (uncredited) | |
| Vasco Santana | ... | Self - Customer at Fado's House (uncredited) | |
Produced by
| Ray Milland | ... | associate producer (as R.A. Milland) |
Music by
| Nelson Riddle | ||
Cinematography by
| Jack A. Marta | ... | director of photography (as Jack Marta) |
Editing by
| Richard L. Van Enger | ||
Art Direction by
| Frank Arrigo | ||
Set Decoration by
| Anahory | ... | (as Eduardo Anahory) |
Costume Design by
| Adele Palmer | ||
Makeup Department
| Tony Sforzini | ... | makeup supervisor (as Anthony Sforzini) |
Production Management
| Lee Lukather | ... | unit manager (uncredited) |
Second Unit Director or Assistant Director
| William Lang | ... | assistant director |
Sound Department
| William Bristow | ... | sound |
| Howard Wilson | ... | sound |
Special Effects by
| Howard Lydecker | ... | special effects |
| Theodore Lydecker | ... | special effects |
Camera and Electrical Department
| Alric Edens | ... | assistant camera (uncredited) |
| Léo L. Fuchs | ... | still photographer (uncredited) |
| Enzo A. Martinelli | ... | camera operator (uncredited) |
| Nels Mathias | ... | grip (uncredited) / key grip (uncredited) |
| Walter Ryland | ... | camera machinist (uncredited) |
Music Department
| Ned Freeman | ... | orchestrator (uncredited) |
Additional Crew
| Herbert J. Yates | ... | presenter |