Ishirô Honda Director Kenneth G. Crane Director, Film Editing John Carradine Dr. John Rayburn Actor Momoko Kochi The Girl Actor Akira Takarada The Boy Actor Akemi Negishi The Mountain Girl Actor Russell Thorson Prof. Philip Osborne Actor Robert Karns Prof. Alan Templeton Actor Sachio Sakai Third Member of Ski Party Actor Nobuo Nakamura Prof. Tanaka Actor Takeo Murata Screenwriter Robert B. Homel Producer Lucien N. Andriot Cinematographer