Directed by
| Frank McDonald | ||
Writing Credits
| James Oliver Curwood | ... | (story "Tentacles of the North" by) |
| William Raynor | ... | (screenplay) (as Bill Raynor) |
Cast (in credits order) verified as complete
| Kirby Grant | ... | Mountie Corporal Rod McDonald | |
 |
Chinook | ... | Chinook |
| Elena Verdugo | ... | Andrée Blanchard | |
| Rick Vallin | ... | Louis Blanchard | |
| Milburn Stone | ... | Dr. F. J. McKenzie | |
| Richard Karlan | ... | Biroff | |
| Jane Adrian | ... | Red Feather | |
| Hal Gerard | ... | Henchman Antoine | |
| Richard Avonde | ... | Henchman Phillippe | |
| Duke York | ... | Henchman Duprez | |
|
|
Guy Zanette | ... | Henchman Baptiste |
| Rest of cast listed alphabetically: | |||
| Chet Brandenburg | ... | Trapper at Inquest (uncredited) | |
| Sam Flint | ... | Sam, Twin Rivers Factor (uncredited) | |
| Frank Lackteen | ... | White Eagle (uncredited) | |
| Dennis Moore | ... | LaFontaine Factor (uncredited) | |
| Joe Ploski | ... | Trapper at Inquest (uncredited) | |
| Jack Tornek | ... | Trapper at Inquest (uncredited) | |
Produced by
| William F. Broidy | ... | associate producer |
| Lindsley Parsons | ... | producer |
Cinematography by
| William A. Sickner | ... | (as William Sickner) (photographed by) |
Editing by
| Ace Herman | ... | (uncredited) |
Art Direction by
| Dave Milton | ... | (as David Milton) |
Sound Department
| John R. Carter | ... | sound technician (as John Carter) |
Special Effects by
| Ray Mercer | ... | special effects |
Stunts
| Duke York | ... | stunts (uncredited) |
Camera and Electrical Department
| Lloyd Garnell | ... | chief electrician / chief set electrician (uncredited) |
Editorial Department
| Ace Herman | ... | supervising editor |
Music Department
| Edward J. Kay | ... | musical director |
Script and Continuity Department
| Bobbie Sierks | ... | set continuity |
Additional Crew
| Wesley Barry | ... | assistant to producer |
| Dorothy Crider | ... | dog owner (uncredited) |
| Sam Williamson | ... | dog trainer (uncredited) |
