นักแสดง
Spencer Tracy
Henry M. Stanley
William R. Dunn
Chuma
Nancy Kelly
Eve Kingsley
Cedric Hardwicke
Dr. David Livingstone
Darby Jones
Chewing Native
Frank Orth
Newspaperman with Pills
Henry Travers
John Kingsley
Miles Mander
Sir John Gresham
David Torrence
Mr. Cranston
Paul Harvey
Colonel Grimes
Frank Jaquet
Senator
Anthony Marsh
Messenger
Harry Harvey
Newspaperman at Water Barrel
Richard Greene
Gareth Tyce
Walter Brennan
Jeff Slocum
Henry Hull
James Gordon Bennett, Jr.
Joseph Crehan
Morehead
Robert Middlemass
Carmichael
Charles Coburn
Lord Tyce
C. Montague Shaw
Sir Oliver French
Russell Hicks
Commissioner
Bobby Burns
Geographical Society Delegate
Harry Strang
Captain
Holmes Herbert
Frederick Holcomb
Brandon Hurst
Sir Henry Forrester
Frank Dae
Commissioner
Everett Brown
Bongo
Vernon Dent
Newspaperman in Office
Emmett Vogan
Albert