"When his family goes away for summer vacation, a hitherto faithful publishing executive with an overactive imagination is tempted by an attractive new neighbor."
Marilyn Monroe
as The Girl
Tom Ewell
as Richard Sherman
Evelyn Keyes
as Helen Sherman
Sonny Tufts
as Tom MacKenzie
Robert Strauss
as M. Kruhulik
Oskar Homolka
as Dr. Brubaker
Marguerite Chapman
as Miss Morris
Victor Moore
as Plumber
Donald MacBride
as M. Brady
Carolyn Jones
as Miss Finch
Dolores Rosedale
as Elaine
Kathleen Freeman
as Woman at Vegetarian Restaurant (uncredited)
Doro Merande
as Waitress at Vegetarian Restaurant (uncredited)
Ron Nyman
as Indian (uncredited)
Tom Nolan
as Ricky Sherman (uncredited)
Ralph Littlefield
as Man at Vegetarian Restaurant (uncredited)
Dorothy Ford
as Indian Girl / Tall Beauty at Train Station (uncredited)
William H. O'Brien
as Man at Train Station (uncredited)
Steven Benson
as Kid at Train Station (uncredited)
Milton Krasner
Director of Photography
George Axelrod
Screenplay
Billy Wilder
Producer
Director
Charles K. Feldman
Saul Bass
Title Designer
E. Clayton Ward
Sound
Edward B. Powell
Orchestrator
Helen Turpin
Hairstylist
Ray Kellogg
Special Effects
Harry M. Leonard
Ben Nye
Makeup Artist
Joseph E. Rickards
Assistant Director
Travilla
Costume Design
Hugh S. Fowler
Editor
Doane Harrison
Associate Producer
Lyle R. Wheeler
Art Direction
Stuart A. Reiss
Set Decoration
Walter M. Scott
Alfred Newman
Original Music Composer
George W. Davis
Jule Styne
Songs
Sammy Cahn
Lyricist