Directed by
| Robert D. Webb | ... | (as Robert Webb) |
Writing Credits
| Jack Andrews | ... | (screenplay) and |
| Leonard Praskins | ... | (screenplay) |
| Scott Darling | ... | (adaptation) (as W. Scott Darling) |
| John W. Vandercook | ... | (novel) |
| Nicholas Ray | ... | (dialogue) (uncredited) |
Cast (in credits order)
| James Dunn | ... | Mr. Smith | |
| Sheila Ryan | ... | Mrs. Jean Gilbert | |
 |
Edward Ryan | ... | Gerald McCracken Jr. |
|
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Jackie Paley | ... | Linda Lane |
| Reed Hadley | ... | Dr. Rene Marcel | |
| Roy Roberts | ... | Capt. Van den Bark | |
| Robert Shaw | ... | Lt. Bowman Hall | |
|
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Daral Hudson | ... | Hartshorn |
| William Forrest | ... | Col. Lane | |
| Roy Gordon | ... | Gov. Gerald McCracken Sr. | |
|
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Virginia Walker | ... | Adelaide Marcel |
| Rest of cast listed alphabetically: | |||
| Eddie Borden | ... | Hotel Clerk (uncredited) | |
|
|
Renee Carson | ... | Minor Role (uncredited) |
|
|
Kay Connors | ... | Telephone Operator (uncredited) |
|
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Robert Filmer | ... | Guard (uncredited) |
| Selmer Jackson | ... | Dr. Herbert Merryman (uncredited) | |
| Lucien Littlefield | ... | Dr. Praskins (uncredited) | |
| Lal Chand Mehra | ... | Felix Ikert (uncredited) | |
|
|
Charles Miller | ... | Dr. Otis Larrabee (uncredited) |
Produced by
| William Girard | ... | producer |
Music by
| David Buttolph | ||
Cinematography by
| Clyde De Vinna | ... | director of photography |
Editing by
| John W. McCafferty | ... | (as John McCafferty) |
Art Direction by
| George Dudley | ||
| Lyle R. Wheeler | ... | (as Lyle Wheeler) |
Set Decoration by
| Thomas Little | ||
Costume Design by
| Bonnie Cashin | ||
Makeup Department
| Ben Nye | ... | makeup artist |
Second Unit Director or Assistant Director
| Eli Dunn | ... | assistant director (uncredited) |
Art Department
| Fred J. Rode | ... | associate set decorator |
Sound Department
| Harry M. Leonard | ... | sound |
| George Leverett | ... | sound |
Visual Effects by
| Fred Sersen | ... | special photographic effects |
Camera and Electrical Department
| Kenneth Green | ... | second camera (uncredited) |
Music Department
| Emil Newman | ... | musical director |
| Sidney Cutner | ... | orchestrator (uncredited) |
| Alfred Newman | ... | composer: additional music (uncredited) |
| Edward B. Powell | ... | orchestrator (uncredited) |
| Murray Spivack | ... | music mixer (uncredited) |
Additional Crew
| Nicholas Ray | ... | dialogue director (uncredited) |
