Directed by
| Spencer Gordon Bennet | ... | (as Spencer Bennet) |
| Yakima Canutt | ||
| Wallace Grissell | ||
Writing Credits
| Albert DeMond | ... | (original screenplay) and |
| Basil Dickey | ... | (original screenplay) and |
| Jesse Duffy | ... | (original screenplay) and |
| Alan James | ... | (original screenplay) and |
| Grant Nelson | ... | (original screenplay) and |
| Joseph F. Poland | ... | (original screenplay) (as Joseph Poland) |
Cast (in credits order)
| Richard Bailey | ... | Lance Reardon | |
| Linda Stirling | ... | Claire Forrest | |
| Roy Barcroft | ... | Capt. Mephisto | |
| Kenne Duncan | ... | Sidney Brand | |
| Forrest Taylor | ... | William Forrest | |
| Forbes Murray | ... | Harry Hargraves | |
| Jack Ingram | ... | Edward Armstrong [Chs. 1-11] | |
| Harry Strang | ... | Fred Braley | |
| Ed Cassidy | ... | Paul Melton [Chs. 1-6, 10] (as Edward Cassidy) | |
 |
Frank Alten | ... | John Raymond |
| Lane Chandler | ... | Police Insp. Reed [Chs. 1, 8] | |
|
|
Russ Vincent | ... | Ruga |
| Dale Van Sickel | ... | Barker / Ritter / Lewis / Frazier / Sardon [Chs. 1, 3-4, 7-10] | |
| Tom Steele | ... | Lyons - Thug / Bailey [Chs. 3-4, 10, 13] | |
|
|
Duke Green | ... | Spencer Harvey [Ch. 1] / Thug Clark in Wine Cellar [Ch. 5] |
| Rest of cast listed alphabetically: | |||
| Fred Graham | ... | Blake - Thug B-6 in Winery [Ch. 4] (uncredited) | |
|
|
Fred Howard | ... | C.D. Pembroke [Ch. 7] (uncredited) |
| Si Jenks | ... | Joe Benson [Ch. 3] (uncredited) | |
| Eddie Parker | ... | Ship's Captain [Chs. 1, 8] / Fallon - Cave Thug [Ch. 12] (uncredited) | |
|
|
Duke Taylor | ... | Hill - Thug [Ch. 8] (uncredited) |
Produced by
| Ronald Davidson | ... | associate producer |
Music by
| Mort Glickman | ... | (uncredited) |
Cinematography by
| Bud Thackery | ||
Editing by
| Cliff Bell Sr. | ||
| Harold Minter | ... | (as Harold R. Minter) |
Art Direction by
| Fred A. Ritter | ... | (as Fred Ritter) |
Set Decoration by
| Charles S. Thompson | ... | (as Charles Thompson) |
Production Management
| R.G. Springsteen | ... | unit manager |
Sound Department
| Ed Borschell | ... | sound |
Special Effects by
| Howard Lydecker | ... | special effects |
| Theodore Lydecker | ... | special effects |
Visual Effects by
| Gordon Schaefer | ... | process photography (uncredited) |
Stunts
| Babe DeFreest | ... | stunt double: Linda Stirling (uncredited) |
| Fred Graham | ... | stunt double: Roy Barcroft (uncredited) |
| Duke Green | ... | stunt double: Kenne Duncan (uncredited) |
| Tom Steele | ... | stunt double: Richard Bailey (uncredited) |
| Duke Taylor | ... | stunt double: Jack Ingram (uncredited) |
Costume and Wardrobe Department
| Adele Palmer | ... | wardrobe supervisor (uncredited) |
Music Department
| Richard Cherwin | ... | musical director |
| Mario Castelnuovo-Tedesco | ... | composer: stock music (uncredited) |
| Richard Cherwin | ... | composer: stock music (uncredited) |
| Ross DiMaggio | ... | composer: stock music (uncredited) |
| Joseph Dubin | ... | composer: stock music (uncredited) |
| Charles Maxwell | ... | composer: stock music (uncredited) |
| Floyd Morgan | ... | composer: stock music (uncredited) |
| Joseph Nussbaum | ... | composer: stock music (uncredited) |
| Milton Rosen | ... | composer: stock music (uncredited) |
| Paul Sawtell | ... | composer: stock music (uncredited) |
| Arnold Schwarzwald | ... | composer: stock music (uncredited) |
| Marlin Skiles | ... | composer: stock music (uncredited) |
