Summary
Research chemist Barnaby Fulton works on a fountain of youth pill for a chemical company. One of the labs chimps gets loose in the laboratory and mixes chemicals, but then pours the mix into the water cooler. When trying one of his own samples, washed down with water from the cooler, Fulton begins to act just like a twenty-year-old and believes his potion is working. Soon his wife and boss are also behaving like children.
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Cast
Cary Grant
Barnaby Fulton
Ginger Rogers
Edwina Fulton
Charles Coburn
Oliver Oxley
Marilyn Monroe
Lois Laurel
Hugh Marlowe
Hank Entwhistle
Henri Letondal
Jerome Kitzel
Robert Cornthwaite
Dr. Zoldeck
Larry Keating
G.J. Culverly
Douglas Spencer
Dr. Brunner
Esther Dale
Mrs. Rhinelander
George Winslow
Little Indian
Harry Carey, Jr.
Reporter (uncredited)
Nico Minardos
Man at Pool (uncredited)
Charlotte Austin
Student (uncredited)
Harry Bartell
Scientist (uncredited)
Faire Binney
Dowager (uncredited)
Harry Carter
Scientist (uncredited)
Melinda Casey
Girl (uncredited)
Heinie Conklin
House Painter (uncredited)
George Eldredge
Mr. Peabody (uncredited)
Kathleen Freeman
Mrs. Brannigan - Neighbor (uncredited)
Dabbs Greer
Cabbie (uncredited)
Rudy Lee
Boy (uncredited)
Emmett Lynn
Gus (uncredited)
Paul Maxey
Board Member (uncredited)
John McKee
Photographer (uncredited)
Joseph Mell
Barber (uncredited)
Ray Montgomery
Policeman (uncredited)
Brad Morrow
Boy (uncredited)
Forbes Murray
Board Member (uncredited)
Robert Nichols
Garage Man (uncredited)
Jerry Paris
Scientist (uncredited)
Maudie Prickett
Clerk (uncredited)
Olan Soule
Pickwick Arms Clerk (uncredited)
Gil Stratton
Yale Man (uncredited)
Ruth Warren
Laundress (uncredited)
Mack Williams
Board Member (uncredited)