| Person | Type | Job | Role(s) |
|---|---|---|---|
 Howard A. Smith | Crew | Editing | Editor |
 John Alton | Crew | Camera | Director of Photography |
 Lewis R. Foster | Crew | Directing | Director, Writer |
Lucien Cailliet | Crew | Sound | Original Music Composer |
William C. Thomas | Crew | Production | Producer |
William H. Pine | Crew | Production | Producer |
Gwen Bagni | Crew | Writing | Writer |
Art Foster | Cast | Actor | Mate on Rescue Ship (uncredited) |
Charles Regan | Cast | Actor | Wade (as Charlie Regan) |
 Denver Pyle | Cast | Actor | Steve |
 Don Gazzaniga | Cast | Actor | Tony |
 Edgar Bergen | Cast | Actor | Mr. Haasvelt |
 Ellen Corby | Cast | Actress | Miss Endicott |
 Erville Alderson | Cast | Actor | Doctor |
 Gail Russell | Cast | Actress | Kim Mitchell |
 Harry Hayden | Cast | Actor | Ship Line Owner (uncredited) |
 Ilka Grüning | Cast | Actress | Mrs. Marguerite Haasvelt |
 Jeffrey Lynn | Cast | Actor | Capt. George Brendensen |
 John Bagni | Cast | Sparks | |
 John Payne | Cast | Actor | Charles S. Chinnough |
 John Qualen | Cast | Actor | Geech |
 Keith Richards | Cast | Actor | Alberts |
 Lon Chaney Jr. | Cast | Actor | Red Lynch |
 Michael O'Shea | Cast | Actor | Trask |
Ray Hyke | Cast | Actor | Michaels |
 Reed Howes | Cast | Actor | Blake |
 Robert Armstrong | Cast | Actor | Keegan |
Wallace Scott | Cast | Actor | Scotty (as Wally Scott) |
 Walter Reed | Cast | Actor | Martin |
 Zon Murray | Cast | Actor | Gus (as Zonn Murray) |
 Lee Roberts | Cast | Actor | Marsh |
Paul Hogan | Cast | Actor | Speer |
Lawrence Tibbett Jr. | Cast | Wilkes | |
| Person | Type | Job | Role(s) |
