| Person | Type | Job | Role(s) |
|---|---|---|---|
 E. Lloyd Sheldon | Crew | Production | Associate Producer |
 Ernest Haller | Crew | Camera | Director of Photography |
Fred A. Datig | Crew | Production | Casting |
Fred Niblo Jr. | Crew | Writing | Screenplay |
Gordon Jennings | Crew | Crew | Special Effects |
 H. Bruce Humberstone | Crew | Directing | Director |
Harry D. Mills | Crew | Sound | Sound |
Herman Hand | Crew | Sound | Original Music Composer |
 John Leipold | Crew | Sound | Original Music Composer |
 Jules White | Crew | Directing | Assistant Director |
Mabel Stark | Crew | Crew | Stunts |
Max Marcin | Crew | Directing | Director, Adaptation |
Philip Wylie | Crew | Writing | Screenplay |
Rudolph G. Kopp | Crew | Sound | Original Music Composer |
Mel Ballerino | Crew | Production | Casting |
Charles Thurley Stoneham | Crew | Writing | Novel |
 Buster Crabbe | Cast | Actor | Kaspa |
 Don Brodie | Cast | Actor | Reporter (uncredited) |
 Douglass Dumbrille | Cast | Actor | Ed Peters |
 Florence Britton | Cast | Actress | Mrs. Edith Knolls (uncredited) |
 Frances Dee | Cast | Actress | Ann Rogers |
 Fred Kelsey | Cast | Actor | Cop (uncredited) |
 Harry Strang | Cast | Actor | Lion Attendant (uncredited) |
 Irving Pichel | Cast | Actor | Corey |
 Lee Phelps | Cast | Actor | Customs Inspector (uncredited) |
 Leonard Carey | Cast | Actor | Clerk at Hunting License Bureau (uncredited) |
Mabel Stark | Cast | Spinster in park (uncredited) | |
 Nora Cecil | Cast | Actress | Spinster in park (uncredited) |
 Nydia Westman | Cast | Actress | Sue |
 Patricia Farley | Cast | Actress | Kitty |
 Phil Tead | Cast | Actor | Reporter (uncredited) |
 Robert Adair | Cast | Actor | John C. Knolls (uncredited) |
 Robert Barrat | Cast | Actor | Joe Nolan |
 Ronnie Cosby | Cast | Actor | Kaspa, aged 3 |
Sam Baker | Cast | Actor | Gwana |
Sam Farrell | Cast | Bit Role (uncredited) | |
 Sidney Toler | Cast | Actor | Neil Forbes |
 Tom London | Cast | Actor | Lion Attendant (uncredited) |
 Warner Richmond | Cast | Actor | Gus (uncredited) |
 William J. Kelly | Cast | Actor | Government Inspector (uncredited) |
 William R. Dunn | Cast | Actor | Bit Role (uncredited) |
 Edward LeSaint | Cast | Actor | Policeman (uncredited) |
F.M. Pitts | Cast | Bit Role (uncredited) | |
Harold Farley | Cast | Bit Role (uncredited) | |
Thomas Amos | Cast | Bit Role (uncredited) | |
George Turner | Cast | Actor | Bit Role (uncredited) |
| Person | Type | Job | Role(s) |
