"When American couple Janet and Mike move to England for his business, she soon fears he's having an affair with his attractive secretary and decides to get back at him by pretending she has been unfaithful."
Doris Day
as Janet Harper
Rod Taylor
as Mike Harper
Hermione Baddeley
as Vanessa Courtwright
Sergio Fantoni
as Paul
Reginald Gardiner
as Simmons
Maura McGiveney
as Claire Hackett
Aram Katcher
as Culkos
Leon Askin
as Langsdorf
Lisa Pera
as Alicia
Michael Romanoff
as Delegate
Albert Carrier
as Reynard
Barbara Morrison
as Mrs. Ordley
Dick Winslow
as One-Man Band
Joe Abdullah
as Buyer (uncredited)
Lois Adams
as Russian Girl (uncredited)
Andy Albin
as Gardener (uncredited)
Leon Alton
as Party Guest (uncredited)
Russell Ash
as Singer (uncredited)
Frank Baker
Nicolas Beauvy
as Concierge's Son (uncredited)
Philippe Chappelle
as Concierge's Son
Jean-Michel Michenaud
Pat Michenaud
Alain Mehrez
Raquel Welch
as Woman In Lobby (uncredited)
Patrick Whyte
as Fox Hunter (uncredited)
Ralph Levy
Director
Richard L. Breen
Screenplay
William Fairchild
Theatre Play
Milt Rosen
Mort Garson
Orchestrator
Martin Melcher
Producer
Aaron Rosenberg
Barney Rosenzweig
Lionel Newman
Music
Robert L. Simpson
Editor
Leon Shamroy
Director of Photography