| Person | Type | Job | Role(s) |
|---|---|---|---|
 Bronislau Kaper | Crew | Sound | Original Music Composer |
 Fredrick Y. Smith | Crew | Editing | Editor |
 Harry Stradling Sr. | Crew | Camera | Director of Photography |
Ida Vera Simonton | Crew | Writing | Novel |
Leon Gordon | Crew | Writing | Screenplay, Theatre Play |
 Richard Thorpe | Crew | Directing | Director |
 Victor Saville | Crew | Production | Producer |
 Bramwell Fletcher | Cast | Actor | Wilbur Ashley |
 Clyde Cook | Cast | Actor | Ted, First Mate of the Congo Queen |
 Darby Jones | Cast | Actor | Darby |
 Delos Jewkes | Cast | Actor | Native Singer (uncredited) |
 Frank Morgan | Cast | Actor | The Doctor |
 Hedy Lamarr | Cast | Actress | Tondelayo |
 Henry O'Neill | Cast | Actor | The Reverend Dr. Roberts |
 Jim Davis | Cast | Actor | Seaplane Pilot (uncredited) |
John Burton | Cast | Actor | Jim Benson (uncredited) |
 Leigh Whipper | Cast | Actor | Jim Fish |
 Martin Wilkins | Cast | Actor | Native Prisoner (uncredited) |
 Oscar Polk | Cast | Actor | Umeela |
 Reginald Owen | Cast | Actor | Skipper of the Congo Queen |
 Richard Ainley | Cast | Actor | Mr. Worthing |
 Richard Carlson | Cast | Actor | Mr. Langford |
 Walter Pidgeon | Cast | Actor | Mr. Harry Witzel |
Ed Allen | Cast | Native Drug Seller (uncredited) | |
| Person | Type | Job | Role(s) |
