"Although he's only seven, Eddie's got it all figured out. He wants his father, a widower, to get remarried — to the girl next door. Unfortunately, she's not one of the women that his dad's been dating."
Glenn Ford
as Tom Corbett
Shirley Jones
as Elizabeth Marten
Stella Stevens
as Dollye Daly
Ron Howard
as Eddie Corbett
Dina Merrill
as Rita Behrens
Roberta Sherwood
as Mrs. Livingston
Jerry Van Dyke
as Norman Jones
Carol Andreson
as Cigarette Girl (uncredited)
Ellen Atterbury
as Millie (uncredited)
Christopher Barrey
as Child Party Guest (uncredited)
Leslie Barringer
as Mike (uncredited)
John Barton
as Arcade Patron (uncredited)
Kimberly Beck
Rodney Bell
as Wedding Reception Guest (uncredited)
Barbara Brent
as Party Guest (uncredited)
William Burnside
Boyd Cabeen
as Employee (uncredited)
Gene Coogan
as Bowling Alley Patron (uncredited)
Kelly Corcoran
Bill Cord
Joanne Courtney
as Maid (uncredited)
Lucille Curtis
Tom Curtis
John Damler
as State Trooper (uncredited)
James Drake
as Camp Counselor (uncredited)
Leslie Farrell
Don Fenwick
Fred Fisher
as Parent (uncredited)
Ron Gans
Marilyn Gladstone
Billy Halop
as Milkman (uncredited)
John Hart
John Hiestand
as Annoucer (uncredited)
Shep Houghton
as Nightclub Patron (uncredited)
Mark Houston
Clint Howard
Rance Howard
Don Lanning
John LaSalle
as Self (uncredited)
Mary LeBow
Margie Liszt
as Tom's Secretary (uncredited)
Sean MacGregor
as Artist (uncredited)
Jean MacRae
Mike Marshall
as Wedding Guest (uncredited)
Lee Meriwether
as Tom's Receptionist (uncredited)
Suzanne Noel
Ron Nyman
as Dancer (uncredited)
Patrick O'Moore
as Man in Door (uncredited)
Murray Pollack
as Restaurant Patron (uncredited)
Betty Robinson
Gene Roth
as The Minister (uncredited)
Vito Scotti
as Flute Player (uncredited)
Andrew Stevens
as Boy at Camp / Mike (uncredited)
Dick Whittinghill
as Radio Engineer (uncredited)
Robert B. Williams
as Elevator Starter (uncredited)
Vincente Minnelli
Director
John Gay
Screenplay
Robert R. Hoag
Visual Effects
Matthew Yuricich
Mark Toby
Novel
George Stoll
Conductor
William Tuttle
Makeup Artist
Henry Grace
Set Decoration
Sydney Guilaroff
Hairstylist
Franklin Milton
Recording Supervision
Robert Van Eps
Additional Music
John Truwe
William McGarry
Assistant Director
Urie McCleary
Art Direction
F. Keogh Gleason
Helen Rose
Costume Design
George W. Davis
Joe Pasternak
Producer
Adrienne Fazan
Editor
Original Music Composer
Milton Krasner
Director of Photography
Irving Aaronson
Producer's Assistant