"College prof Peter Boyd tries to salvage his professional and personal reputation by using a lab chimp to prove that environment trumps heredity in behavioral development."
Ronald Reagan
as Professor Peter Boyd
Diana Lynn
as Jane
Walter Slezak
as Professor Hans Neumann
Lucille Barkley
as Valerie Tillinghast
Jesse White
as Babcock
Herbert Heyes
as Dean Tillinghast
Herb Vigran
as Lt. Daggett
Harry Tyler
as Knucksy
Edward Clark
as Fosdick (as Ed Clark)
Edward Gargan
as Policeman (as Ed Gargan)
Joel Friedkin
as Mr. De Witt
Brad Browne
as Chief of Police
Elizabeth Flournoy
as Miss Swithen (as Elizabeth Flourney)
Howard Banks
as Policeman
Perc Launders
as Fireman
Brad Johnson
as Student
Billy Mauch
as Student (as Bill Mauch)
Ann Tyrrell
as Telephone Operator
Peggy
as Bonzo
Frederick de Cordova
Director
Val Burton
Screenplay
Lou Breslow
Raphael Blau
Story
Ted Berkman
Carl E. Guthrie
Director of Photography
Bernard Herzbrun
Art Direction
Eric Orbom
Russell A. Gausman
Set Decoration
Ruby R. Levitt
Leslie I. Carey
Sound
Joe Lapis
Rosemary Odell
Costume Design
Joan St. Oegger
Hairstylist
Bud Westmore
Makeup Artist
Michael Kraike
Producer
Frank Skinner
Original Music Composer