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