출연진
스펜서 트레이시
Henry M. Stanley
Nancy Kelly
Eve Kingsley
Richard Greene
Gareth Tyce
Walter Brennan
Jeff Slocum
Charles Coburn
Lord Tyce
Cedric Hardwicke
Dr. David Livingstone
Henry Hull
James Gordon Bennett, Jr.
Henry Travers
John Kingsley
Miles Mander
Sir John Gresham
David Torrence
Mr. Cranston
Holmes Herbert
Frederick Holcomb
C. Montague Shaw
Sir Oliver French
Brandon Hurst
Sir Henry Forrester
Hassan Said
Hassan
Paul Harvey
Colonel Grimes
Russell Hicks
Commissioner
Frank Dae
Commissioner
Ernest Baskett
Zucco
William E. 'Red' Blair
Sergeant
Everett Brown
Bongo
Bobby Burns
Geographical Society Delegate