Directed by
| Leon Benson | ||
Writing Credits
| Ivan Tors | ... | (story) and |
| Ricou Browning | ... | (characters) and |
| Jack Cowden | ... | (characters) |
| Art Arthur | ||
Cast (in credits order) verified as complete
| Luke Halpin | ... | Sandy Ricks | |
| Pamela Franklin | ... | Penny | |
| Helen Cherry | ... | Julia | |
| Tom Helmore | ... | Sir Halsey Hopewell | |
| Francesca Annis | ... | Gwen | |
| Brian Kelly | ... | Porter Ricks | |
| Joe Higgins | ... | L.C. Porett | |
| Lloyd Battista | ... | Gil | |
 |
Gordon Dilworth | ... | Sea Captain |
|
|
Courtney Brown | ... | Convict |
|
|
William Cooley | ... | Second Convict |
|
|
Dan Chandler | ... | Coast Guard Commander |
| Ricou Browning | ... | Dr. Burton | |
| Richard O'Barry | ... | Veterinarian (as Ric O'Feldman) | |
| Robert Baldwin | ... | Veterinarian | |
| Rest of cast listed alphabetically: | |||
|
|
Mitzie | ... | Flipper (uncredited) |
Produced by
| Ricou Browning | ... | associate producer |
| Ben Chapman | ... | associate producer |
| Ivan Tors | ... | producer (uncredited) |
Music by
| Henry Vars | ||
Cinematography by
| Lamar Boren | ... | director of photography |
Editing by
| Warren Adams | ||
| Charles Craft | ||
Casting By
| Irene Howard | ... | (uncredited) |
Second Unit Director or Assistant Director
| Edward Haldeman | ... | assistant director |
Sound Department
| Howard Warren | ... | sound recordist |
| Van Allen James | ... | sound editor (uncredited) |
Camera and Electrical Department
| Mel Bledsoe | ... | grip |
| Al Ronzo | ... | gaffer |
Music Department
| Henry Vars | ... | conductor |
| Sally Stevens | ... | singer (uncredited) |
Additional Crew
| Robert C. Cannom | ... | technical advisor (as Captain Robert C. Cannom) |
| Joe Gannon | ... | assistant to producer |
| Richard O'Barry | ... | technical advisor (as Ric O'Feldman) |
