"Molly and Terry Donahue, plus their three children, are The Five Donahues. Youngest son Tim meets hat-check girl Vicky and the family act begins to fall apart."
Ethel Merman
as Molly Donahue
Marilyn Monroe
as Vicky
Mitzi Gaynor
as Katy Donahue
Dan Dailey
as Terence Donahue
Donald O'Connor
as Tim Donahue
Johnnie Ray
as Steve Donahue
Richard Eastham
as Lew Harris
Hugh O'Brian
as Charles Gibbs
Frank McHugh
as Eddie Dugan
Rhys Williams
as Father Dineen
Lee Patrick
as Marge
Eve Miller
as Helen
Dorothy Abbott
as Showgirl (uncredited)
Lyle Talbot
as Stage Manager (uncredited)
George Chakiris
as Dancer (uncredited)
John Doucette
Alvy Moore
as Katy's Date (uncredited)
Ron Nyman
as Tattooed Sailor (uncredited)
Walter Winchell
as Walter Winchell (voice) (uncredited)
Dorothy Adams
as Nurse (uncredited)
Robin Raymond
as Lillian Sawyer (uncredited)
Sol C. Siegel
Producer
Walter Lang
Director
Phoebe Ephron
Screenplay
Stuart A. Reiss
Set Decoration
Robert L. Simpson
Editor
Henry Ephron
Lamar Trotti
Story
Lyle R. Wheeler
Art Direction
Walter M. Scott
John DeCuir
Leon Shamroy
Director of Photography
Irving Berlin
Music
Songs
Helen Turpin
Hair Designer
Travilla
Costume Design
Miles White
Ray Kellogg
Visual Effects
Charles LeMaire
Wardrobe Supervisor
Gaston Glass
Production Manager
Ben Nye
Makeup Artist
Bernard Mayers
Orchestrator
Lionel Newman
Music Supervisor
Murray Spivack
Sound
Leonard Doss
Color Assistant
Earle Hagen
Alfred Newman
Sam Benson
Wardrobe Assistant
E. Clayton Ward
Robert Alton
Choreographer
Original Music Composer
Joan Bayley
Associate Choreographer