Bedtime for Bonzo_
"The funniest new idea on film since "FRANCIS!""
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.
Starring
Ronald Reagan, Diana Lynn, Walter Slezak
Updated Feb 16, 2026
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Year context
Bedtime for Bonzo was released 75 years ago in 1951.
Overview
College prof Peter Boyd tries to salvage his professional and personal reputation by using a lab chimp to prove that environment trumps heredity in behaviora...
Bedtime for Bonzo is a Comedy, Family, Romance film with a runtime of 1h 23m.
CAST (19)
Ronald Reagan
Professor Peter Boyd
Diana Lynn
Jane
Walter Slezak
Professor Hans Neumann
Lucille Barkley
Valerie Tillinghast
Jesse White
Babcock
Herbert Heyes
Dean Tillinghast
Herb Vigran
Lt. Daggett
Harry Tyler
Knucksy
EC
Edward Clark
Fosdick (as Ed Clark)
Edward Gargan
Policeman (as Ed Gargan)
Joel Friedkin
Mr. De Witt
BB
Brad Browne
Chief of Police
EF
Elizabeth Flournoy
Miss Swithen (as Elizabeth Flourney)
HB
Howard Banks
Policeman
PL
Perc Launders
Fireman
Brad Johnson
Student
Billy Mauch
Student (as Bill Mauch)
Ann Tyrrell
Telephone Operator
P
Peggy
Bonzo
DETAILS
FREQUENTLY ASKED QUESTIONS
What is Bedtime for Bonzo 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.
How long is Bedtime for Bonzo?
Bedtime for Bonzo has a runtime of 83 minutes (1h 23m).
Who stars in Bedtime for Bonzo?
The cast of Bedtime for Bonzo includes Ronald Reagan, Diana Lynn, Walter Slezak, Lucille Barkley, Jesse White.
What is the rating of Bedtime for Bonzo?
Bedtime for Bonzo has a rating of 5.9 out of 10 based on 15 votes on TMDB.
GENRES (3)
Comedy
Family
Romance