Tom Poston
Prof. Jonathan Jones
Tom Poston
Prof. Jonathan Jones
Julia Meade
Prof. Virginia Fenster
Fred Clark
Gen. Bullivar
Jim Backus
Prof. Horatio Kellgore
Cecil Kellaway
Dean Joshua Updike
Zeme North
Cynthia Jones
Margaret Dumont
Persephone Updike
James Millhollin
Dr. R.A. Kroner
Carl Don
Josh Bates
Mike Mazurki
Igor
Jimmy Hawkins
Jimmy Kellgore
Judee Morton
Miss Blakiston
Louis Nye
Hugh Fundy
Bess Flowers
Party Guest
Leoda Richards
Party Guest
William Castle
Himself (prologue)
Elaine Martone
Secretary (uncredited)
Bart Patton
Mr. Crane (uncredited)
William Castle
Director
Ray Russell
Screenplay
Walter Karig
Novel
William Castle
Producer
Dona Holloway
Associate Producer
Bernard Green
Original Music Composer
Gordon Avil
Director of Photography
Edwin H. Bryant
Editor
Robert Peterson
Art Direction
James Crowe
Set Decoration