Directed by
| J.P. McGowan | ||
| Armand Schaefer | ||
Writing Credits
| Colbert Clark | ... | (story) & |
| Barney A. Sarecky | ... | (story) (as Barney Sarecky) & |
| Wyndham Gittens | ... | (story) |
| George Morgan | ... | (screenplay) & |
| J.P. McGowan | ... | (screenplay) |
| Harold Tarshis | ... | (screenplay) (uncredited) |
Cast (in credits order) verified as complete
| John Wayne | ... | Larry Baker | |
| Shirley Grey | ... | Gloria Martin / Gloria Stratton (as Shirley Gray) | |
| Conway Tearle | ... | Stevens | |
| Tully Marshall | ... | Howard Edwards | |
| Edmund Breese | ... | Frank Stratton | |
| Lloyd Whitlock | ... | Walter Gray | |
| Al Bridge | ... | Carlson (as Alan Bridge) | |
| Matthew Betz | ... | Tom Jordan (as Mathew Betz) | |
| Joseph W. Girard | ... | Detective Matthews (as Joseph Girard) | |
| James P. Burtis | ... | Detective Hemmingway (as James Burtis) | |
| Ernie Adams | ... | Barney (as Ernie S. Adams) | |
| Charles King | ... | Mike | |
| J. Farrell MacDonald | ... | Jim Baker | |
| Al Ferguson | ... | Sandy | |
| Glenn Strange | ... | Jim | |
| Rest of cast listed alphabetically: | |||
| Victor Adamson | ... | Baggage Master / Farmer / Train Passenger / Bob (uncredited) | |
| Yakima Canutt | ... | Henchman (uncredited) | |
| Henry Hall | ... | Doctor (uncredited) | |
 |
Rodney Hildebrand | ... | Bill (uncredited) |
| Eddie Parker | ... | Co-Pilot / Det. Nick / Doctor (uncredited) | |
| Fred Parker | ... | Plane Passenger (uncredited) | |
| Fred 'Snowflake' Toones | ... | Sam (uncredited) | |
Produced by
| Nat Levine | ... | producer (uncredited) |
Music by
| Lee Zahler | ... | (uncredited) |
Cinematography by
| Ernest Miller | ||
| Carl Wester | ||
Editing by
| Ray Snyder | ||
Sound Department
| George Lowerre | ... | sound recording engineer |
Stunts
| Yakima Canutt | ... | stunts (uncredited) |
| Bert Goodrich | ... | stunts (uncredited) |
| Eddie Parker | ... | stunts (uncredited) |
| John Wayne | ... | stunt performer (uncredited) |
Editorial Department
| Wyndham Gittens | ... | supervising editor |
Additional Crew
| Nat Levine | ... | presenter |
