Distraught when her middle-aged lover breaks a date with her, 21-year-old Toni Simmons attempts suicide. Impressed by her action, her lover, dentist Julian Winston reconsiders marrying Toni, but he worries about her insistence on honesty. Having fabricated a wife and three children, Julian readily accepts when his devoted nurse, Stephanie, who has secretly loved Julian for years, offers to act as his wife and demand a divorce.
Walter Matthau
as Dr. Julian Winston
Ingrid Bergman
as Stephanie Dickinson
Goldie Hawn
as Toni Simmons
Jack Weston
as Harvey Greenfield
Rick Lenz
as Igor Sullivan
Vito Scotti
as Señor Arturo Sánchez
Irene Hervey
as Mrs. Durant
Eve Bruce
as Georgia
Irwin Charone
as Record Store Manager
Matthew Saks
as Nephew
Linda Burton
as Waitress (uncredited)
Hy Chase
as 1st Waiter (uncredited)