| Person | Type | Job | Role(s) |
|---|---|---|---|
 Arthur Hoerl | Crew | Writing | Screenplay |
Carl Mathews | Crew | Crew | Stunts |
Corson Jowett | Crew | Sound | Sound |
Dallas M. Fitzgerald | Crew | Writing | Screenplay |
Earl Turner | Crew | Editing | Editor |
 Eddie Parker | Crew | Crew | Stunts |
Edward Linden | Crew | Camera | Director of Photography |
George M. Merrick | Crew | Writing | Screenplay |
 George Magrill | Crew | Crew | Stunts |
 George Melford | Crew | Writing | Screenplay, Director |
 George Rosener | Crew | Writing | Screenplay |
 Gordon Griffith | Crew | Writing | Screenplay |
 Harry L. Fraser | Crew | Directing | Director |
Harry O. Hoyt | Crew | Writing | Screenplay |
Herman Schopp | Crew | Crew | Cinematography, Director of Photography |
Lee Zahler | Crew | Sound | Original Music Composer |
Louis Weiss | Crew | Production | Producer |
Sherman L. Lowe | Crew | Writing | Screenplay |
T.T. Triplett | Crew | Sound | Sound |
 Harry 'Snub' Pollard | Cast | Actor | Campbell |
 Blackie Whiteford | Cast | Actor | Henchman |
 Charlotte Henry | Cast | Actress | Dorothy Elliott |
 Clarence Muse | Cast | Actor | Lightning |
Dirk Thane | Cast | Joe Nolan | |
 Duncan Renaldo | Cast | Actor | Armand Roget |
 Esther Ralston | Cast | Actress | Valerie Shields |
 Frank Buck | Cast | Actor | Frank Hardy |
 Fred Kohler Jr. | Cast | Actor | John Charles |
George Rosener | Cast | Actor | Professor |
 Gertrude Sutton | Cast | Actress | Mrs. Maitland |
 Harry Harvey | Cast | Actor | Roget Clerk #1 |
Henry Hale | Cast | Jackson | |
 Jack Ingram | Cast | Actor | Undercover Detective at Dive |
 Jim Corey | Cast | Actor | Henchman |
 John Davidson | Cast | Actor | Doctor Coleman |
 John St. Polis | Cast | Actor | Chandler Elliott |
 LeRoy Mason | Cast | Actor | Jim Murphy |
 Matthew Betz | Cast | Actor | Inspector Starrett |
Merrill McCormick | Cast | Actor | Peters |
 Milburn Morante | Cast | Actor | Singapore Joe |
 Paul Ellis | Cast | Actor | Greenway |
 Reed Howes | Cast | Actor | Sailor |
 Reginald Denny | Cast | Actor | Ralph Marshall |
 Richard Tucker | Cast | Actor | Robert Banning |
 Robert Warwick | Cast | Actor | Angus MacLeod |
 Roger Williams | Cast | Actor | Henchman |
 Sasha Siemel | Cast | Actor | Tiger Van Dorn |
 Tom London | Cast | Actor | Detective Interrogating Pete |
 William Bakewell | Cast | Actor | Tom Banning |
 Willie Fung | Cast | Actor | Chiang-Houseboy |
Dahlam Ali | Cast | Hardy's Assistant | |
 Sherwood Bailey | Cast | Actor | Paul Marshall |
| Person | Type | Job | Role(s) |
