| Person | Type | Job | Role(s) |
|---|---|---|---|
 Barbara McLean | Crew | Editing | Editor |
 Darryl F. Zanuck | Crew | Production | Producer |
 George Barnes | Crew | Camera | Director of Photography |
 Henry King | Crew | Directing | Director |
Julien Josephson | Crew | Writing | Screenplay |
Otto Brower | Crew | Directing | Director |
 Philip Dunne | Crew | Writing | Screenplay |
Royer | Crew | Costume & Make-Up | Costume Design |
Thomas Little | Crew | Art | Set Decoration |
William S. Darling | Crew | Art | Art Direction |
George Dudley | Crew | Art | Art Direction |
Karl Herlinger | Crew | Costume & Make-Up | Makeup Artist |
Harold Hobson | Crew | Sound | Sound Assistant |
William Sittel | Crew | Art | Assistant Property Master |
Anthony Marsh | Cast | Actor | Messenger |
Billy Watson | Cast | Actor | Billy Watson |
 Bobby Burns | Cast | Actor | Geographical Society Delegate |
 Brandon Hurst | Cast | Actor | Sir Henry Forrester |
 C. Montague Shaw | Cast | Actor | Sir Oliver French |
 Cedric Hardwicke | Cast | Actor | Dr. David Livingstone |
 Charles Coburn | Cast | Actor | Lord Tyce |
Clarence Derwent | Cast | Actor | Sir Francis Vane |
Clive Morgan | Cast | Actor | Reporter at Dock |
 Darby Jones | Cast | Actor | Chewing Native |
 David Torrence | Cast | Actor | Mr. Cranston |
Dick Stanley | Cast | Lieutenant | |
Emmett Smith | Cast | Susi | |
 Emmett Vogan | Cast | Actor | Albert |
Eric Lonsdale | Cast | Reporter at Dock | |
Ernest Baskett | Cast | Zucco | |
 Everett Brown | Cast | Actor | Bongo |
 Frank Dae | Cast | Commissioner | |
Frank Jaquet | Cast | Actor | Senator |
 Frank Orth | Cast | Actor | Newspaperman with Pills |
 Harry Harvey | Cast | Actor | Newspaperman at Water Barrel |
 Harry Strang | Cast | Actor | Captain |
Hassan Said | Cast | Hassan | |
 Henry Hull | Cast | Actor | James Gordon Bennett, Jr. |
 Henry Travers | Cast | Actor | John Kingsley |
 Holmes Herbert | Cast | Actor | Frederick Holcomb |
Imboden Parrish | Cast | Reporter at Dock | |
Jack Clisby | Cast | Mombay | |
James McNamara | Cast | Actor | Committeeman |
 Joseph Crehan | Cast | Actor | Morehead |
 Miles Mander | Cast | Actor | Sir John Gresham |
 Nancy Kelly | Cast | Actress | Eve Kingsley |
 Paul Harvey | Cast | Actor | Colonel Grimes |
 Richard Greene | Cast | Actor | Gareth Tyce |
 Robert Middlemass | Cast | Actor | Carmichael |
 Russell Hicks | Cast | Actor | Commissioner |
Speirs Ruskell | Cast | Messenger | |
 Spencer Tracy | Cast | Actor | Henry M. Stanley |
Tom Coleman | Cast | Actor | Corporal |
 Vernon Dent | Cast | Actor | Newspaperman in Office |
 Walter Brennan | Cast | Actor | Jeff Slocum |
William B. Williams | Cast | Mace | |
William E. 'Red' Blair | Cast | Sergeant | |
 William R. Dunn | Cast | Actor | Chuma |
F. Philip Sylvestre | Cast | Messenger | |
| Person | Type | Job | Role(s) |
