Two competing teams of scientists search the African jungles for a secret formula.
Starring
Noah Beery Jr.
Jan Trevor
Dorothy Short
Mona Andrews
Harry Woods
Borno
Bryant Washburn
Dr. Harry Trevor
Walter Miller
Dr. Frank Bracken
John Davidson
Prince Samu
Fred MacKaye
Dr. Charles Phillips
Viva Tattersall
Georgia Trevor
William Desmond
Allen
Grace Cunard
Mrs. Camerford Amster
Russ Powell
Henry Andrews
Don Brodie
Dr. Carl Neff
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