Directed by
| S. Roy Luby | ||
Writing Credits
| John Vlahos | ... | (screenplay) |
| Ande Lamb | ... | (based on an original story by) |
Cast (in credits order) complete, awaiting verification
| Billy Lee | ... | Billy Freeman | |
| Addison Richards | ... | William Freeman | |
| Bradley Page | ... | Judge Roger Davis | |
| Kay Linaker | ... | Joan Allen | |
| Herbert Rawlinson | ... | David J. Titus | |
 |
Lee Phelps | ... | Sgt. Day |
| John Berkes | ... | Sam Stoner | |
| Bryant Washburn | ... | Colonel of Marines | |
| George N. Neise | ... | Hans (as George Neise) | |
| Donald Curtis | ... | Fred (as Don Curtis) | |
| Hal Price | ... | Officer Sullivan | |
| Steve Clark | ... | Trainer Wilson | |
| Ace the Wonder Dog | ... | Pal - Billy's Dog (as Ace) | |
| Rest of cast listed alphabetically: | |||
|
|
Arch Hall Sr. | ... | Dispatcher (uncredited) |
| Tom London | ... | Hinkel - Fifth columnist (uncredited) | |
|
|
Pat Moran | ... | Trainer (uncredited) |
Produced by
| George W. Weeks | ... | producer |
Cinematography by
| Robert E. Cline | ... | (as Robert Cline) |
Editing by
| S. Roy Luby | ... | (as Roy Claire) |
Production Management
| William L. Nolte | ... | executive in charge of production |
Sound Department
| Glen Glenn | ... | sound engineer |
Music Department
| Frank Sanucci | ... | musical director |
Additional Crew
| Earl Johnson | ... | dog trainer: Ace |
| Carl Spitz | ... | dog handler (uncredited) |
