Directed by
| Fred Zinnemann | ||
Writing Credits
| Herman Hoffman | ... | (original screenplay) |
Cast complete, awaiting verification
| James Bush | ... | David Bushnell (uncredited) | |
| Lester Dorr | ... | Newsman (uncredited) | |
| Gladden James | ... | Newsman (uncredited) | |
| Colin Kenny | ... | Newsman (uncredited) | |
| Claude King | ... | Instructor (uncredited) | |
 |
Ferdinand Schumann-Heink | ... | Submarine Commander (uncredited) |
| William Tannen | ... | Submarine Navigator (uncredited) | |
| Robert Warwick | ... | Paul Von Hindenberg (uncredited) | |
|
|
Frank Whitbeck | ... | Narrator (voice) (uncredited) |
Music by
| Daniele Amfitheatrof | ... | (as D. Amfitheatrof) |
| C. Bakaleinikoff | ... | (musical score) |
Cinematography by
| Paul Vogel | ... | director of photography |
Editing by
| Harry Komer | ... | film editor |
