Johnny Weissmüller
Johnny Weissmuller
Angela Stevens
Nora Blakely
Selmer Jackson
Prof. Carl Blakely
William Tannen
Nels Comstock
Ed Hinton
Joseph Leopold
Billy Griffith
Prof. Ralph Dixon (as William M. Griffith)
Abel Fernandez
Teinusi (as Abel M. Fernandez)
Spencer Gordon Bennet
Director
Dwight V. Babcock
Story
George H. Plympton
Writer
