Directed by
| Herschel Daugherty | ||
Writing Credits (in alphabetical order)
| Stirling Silliphant | ... | (writer) |
Cast (in credits order)
| Ray Milland | ... | Roy Markham | |
| Rest of cast listed alphabetically: | |||
| Jacques Aubuchon | ... | Inspector Landres | |
 |
Guy De Vestel | ... | L'Laise Captain |
| Gregory Gaye | ... | Dr. Gerhardt | |
| Marcel Hillaire | ... | Colonel Monet | |
|
|
David Janti | ... | Dr. Andre Dukas |
|
|
Miguel Landa | ... | First Mate Hali Bakil |
| Anna Navarro | ... | Neji - Bakil's Girlfriend | |
| William Stelling | ... | Dr. Jon Mollet | |
Produced by
| Warren Duff | ... | producer |
| Joseph Sistrom | ... | producer |
Music by
| Juan García Esquivel | ... | (as Esquivel) |
Cinematography by
| Bud Thackery | ... | director of photography |
Editing by
| Lee Hall | ||
Art Direction by
| Loyd S. Papez | ... | (as Loyd Paprez) |
Set Decoration by
| Carl J. Lawrence | ||
Makeup Department
| Florence Bush | ... | hair stylist |
| Robert Dawn | ... | makeup artist |
Second Unit Director or Assistant Director
| George Bisk | ... | assistant director |
Sound Department
| Melvin M. Metcalfe Sr. | ... | sound |
Costume and Wardrobe Department
| Vincent Dee | ... | costume supervisor |
Editorial Department
| Richard G. Wray | ... | editorial supervisor |
Music Department
| Stanley Wilson | ... | music supervisor / composer: theme music (uncredited) |