Elenco
Hedy Lamarr
Tondelayo
Walter Pidgeon
Mr. Harry Witzel
Frank Morgan
The Doctor
Richard Carlson
Mr. Langford
Reginald Owen
Skipper of the Congo Queen
Henry O'Neill
The Reverend Dr. Roberts
Bramwell Fletcher
Wilbur Ashley
Clyde Cook
Ted, First Mate of the Congo Queen
Leigh Whipper
Jim Fish
Oscar Polk
Umeela
Darby Jones
Darby
Richard Ainley
Mr. Worthing
Jim Davis
Seaplane Pilot (uncredited)
John Burton
Jim Benson (uncredited)
Delos Jewkes
Native Singer (uncredited)
Martin Wilkins
Native Prisoner (uncredited)
Ed Allen
Native Drug Seller (uncredited)
Equipe
Ida Vera Simonton
Novel
Victor Saville
Producer
Bronislau Kaper
Original Music Composer
Richard Thorpe
Director
Leon Gordon
Screenplay
Leon Gordon
Theatre Play
Harry Stradling Sr.
Director of Photography
Fredrick Y. Smith
Editor
Daniele Amfitheatrof
Original Music Composer
Cedric Gibbons
Art Direction
Edwin B. Willis
Set Decoration
Jack Dawn
Makeup Designer
Al Jennings
Assistant Director
Clarence Sinclair Bull
Still Photographer