Where to Watch
Region
Apple TV Store
Rent from
$3.99
Apple TV Store
Buy from
$14.99
Amazon Video
Rent from
$3.99
Amazon Video
Buy from
$14.99
Google Play Movies
Rent from
$3.99
See all 8 options →
Prices last updated September 7, 2026. Pricing and availability may vary by region.
powered by JustWatch
About
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.
Theatrical
Apr 5, 1951
DVD / Blu-ray
May 31, 2005
Director
Writers
Producer
Music
Studio
Universal International Pictures
Cast
Full credits →R
Ronald Reagan
Professor Peter Boyd
D
Diana Lynn
Jane
W
Walter Slezak
Professor Hans Neumann
L
Lucille Barkley
Valerie Tillinghast
J
Jesse White
Babcock
H
Herbert Heyes
Dean Tillinghast
H
Herb Vigran
Lt. Daggett
H
Harry Tyler
Knucksy
E
Edward Clark
Fosdick (as Ed Clark)
E
Edward Gargan
Policeman (as Ed Gargan)
J
Joel Friedkin
Mr. De Witt
E
Elizabeth Flournoy
Miss Swithen (as Elizabeth Flourney)
H
Howard Banks
Policeman
P
Perc Launders
Fireman
B
Brad Johnson
Student
B
Billy Mauch
Student (as Bill Mauch)
A
Ann Tyrrell
Telephone Operator
