Directed by
| George Archainbaud | ||
Writing Credits
| Doris Schroeder | ... | (screenplay) |
| Clarence E. Mulford | ... | (based on characters created by) |
Cast (in credits order) verified as complete
| William Boyd | ... | Bill Hopalong Cassidy | |
| Andy Clyde | ... | California Carlson | |
| Rand Brooks | ... | Lucky Jenkins | |
| Robert Emmett Keane | ... | Professor Dixon | |
| Jane Randolph | ... | Jessie Dixon | |
| Steve Barclay | ... | Bruce Landy (as Stephen Barclay) | |
| Harry Cording | ... | Duke | |
| Earle Hodgins | ... | Sandler | |
| Robert Bentley | ... | Barton (as Bob Bentley) | |
| William 'Wee Willie' Davis | ... | Blackie | |
| Forbes Murray | ... | Colonel Jed Landy | |
 |
Glen B. Gallagher | ... | Lieutenant (as Glen Gallagher) |
| Ben Corbett | ... | Sergeant | |
| Fred 'Snowflake' Toones | ... | Speed | |
| Rest of cast listed alphabetically: | |||
| Clem Fuller | ... | Henchman (uncredited) | |
| Joe Garcio | ... | Henchman (uncredited) | |
|
|
Johnny Luther | ... | Henchman (uncredited) |
|
|
Jack Parker | ... | Henchman (uncredited) |
| George Sowards | ... | Henchman (uncredited) | |
Produced by
| William Boyd | ... | executive producer (uncredited) |
| Lewis J. Rachmil | ... | producer (as Lewis Rachmil) |
Music by
| David Chudnow | ||
| Raoul Kraushaar | ... | (uncredited) |
Cinematography by
| Mack Stengler | ... | director of photography |
Editing by
| Fred W. Berger | ||
Art Direction by
| Harvey T. Gillett | ||
Set Decoration by
| George Mitchell | ||
Second Unit Director or Assistant Director
| George Tobin | ... | assistant director |
Sound Department
| Harry Lindgren | ... | sound |
Music Department
| David Chudnow | ... | musical director (uncredited) |
