Directed by
| Frank R. Strayer | ... | (as Frank Strayer) |
Writing Credits
| George Waggner | ... | (screenplay) (as George Waggoner) |
| Dorrell McGowan | ... | (story) & |
| Stuart E. McGowan | ... | (story) |
Cast (in credits order) verified as complete
| John Wayne | ... | Bob Randall | |
| Nan Grey | ... | Connie Dawson | |
| William Bakewell | ... | Lieut. Commander Mays | |
| Fuzzy Knight | ... | Hogan | |
| Russell Hicks | ... | Phil Morgan | |
| George Irving | ... | Commander Mays | |
| Lotus Long | ... | Marie | |
| Harry Worth | ... | Nick Austin | |
 |
Ernest Hilliard | ... | Reggie Winton |
|
|
George Humbert | ... | Johnny 'Hop-Scotch' |
| Ethan Laidlaw | ... | Louie | |
| Chester Gan | ... | Oil | |
| Cy Kendall | ... | Detective | |
|
|
Harrison Greene | ... | Fats |
| Rest of cast listed alphabetically: | |||
| Don Brodie | ... | 2nd Radio Man (uncredited) | |
| Lester Dorr | ... | 1st Radio Man (uncredited) | |
| Hal Price | ... | Henchman Hal (uncredited) | |
| Harry Tenbrook | ... | Henchman Chuck (uncredited) | |
Produced by
| Trem Carr | ... | producer (uncredited) |
| Paul Malvern | ... | associate producer |
Cinematography by
| Edward Snyder | ||
| Archie Stout | ... | (as A.J. Stout) |
Editing by
| Hanson T. Fritch | ... | (as Hanson Fritch) |
| Ray H. Lockert | ... | (as Ray Lockert) |
Art Direction by
| E.R. Hickson | ||
Sound Department
| Joe Lapis | ... | sound technician |
Special Effects by
| John P. Fulton | ... | special effects |
Music Department
| Herman Heller | ... | musical director |
| Arthur Morton | ... | composer: stock music (uncredited) |
| Heinz Roemheld | ... | composer: stock music (uncredited) |
| Marlin Skiles | ... | composer: stock music (uncredited) |
| Clifford Vaughan | ... | composer: stock music (uncredited) |
| Franz Waxman | ... | composer: stock music (uncredited) |
Additional Crew
| R.L. Jack | ... | technical advisor (as Commander R.L. Jack U.S.C.G.) |
