- Doris Day
- Janet Harper
- Rod Taylor
- Mike Harper
- Hermione Baddeley
- Vanessa Courtwright
- Sergio Fantoni
- Paul
- Reginald Gardiner
- Simmons
- Maura McGiveney
- Claire Hackett
- Aram Katcher
- Culkos
- Leon Askin
- Langsdorf
- Lisa Pera
- Alicia
- Michael Romanoff
- Delegate
- Albert Carrier
- Reynard
- Barbara Morrison
- Mrs. Ordley
- Dick Winslow
- One-Man Band
- Joe Abdullah
- Buyer
- Lois Adams
- Russian Girl
- Andy Albin
- Gardener
- Leon Alton
- Party Guest
- Russell Ash
- Singer
- Frank Baker
- Party Guest
- Nicolas Beauvy
- Concierge's Son
- Billy Beck
- Etienne - Paris Bistro Waiter
- Eumenio Blanco
- Spectator on Street
- Paul Bradley
- Hotel Guest
- George Bruggeman
- Party Guest
- George Calliga
- Party Guest
- Peter Camlin
- Concierge
- Patrick Campbell
- Exterminator
- Jack Carol
- Auctioneer
- Steve Carruthers
- Party Guest
- Philippe Chappelle
- Concierge's Son
- Arlette Clark
- Concierge's Wife
- Cordy Clark
- Mrs. Langsdorf
- Bud Cokes
- Cafe Patron
- Al Collins
- Party Guest
- John Daheim
- Swamper
- Marcel De la Brosse
- Owner
- Igor Dega
- Truck Driver
- George DeNormand
- Board Member
- Cindy Eilbacher
- Concierge's Daughter
- Britt Ekland
- Party Girl
- Richard Flato
- Alphonse
- Rudy Germane
- Party Guest
- Ayllene Gibbons
- Barmaid
- Bobby Gilbert
- Board Member
- Marie Gomez
- Minor Role
- Arthur Gould-Porter
- Pickering
- Ramsay Hill
- Second Fox Hunter
- George Holmes
- Board Member
- Shep Houghton
- Hotel Guest
- Robert Hunter
- Gendarme
- Casse Jaeger
- Party Guest
- Inge Jaklyn
- Minor Role
- Adair Jameson
- Party Girl
- Chester Jones
- Party Guest
- Donald Journeaux
- Concierge
- Kenner G. Kemp
- Man Entering Bellari's Shop
- Paul King
- Hotel Guest
- Jeanne Lafayette
- Minor Role
- Lucien Lanvin
- Gendarme
- Donald Lawton
- Party Guest
- Robert Locke Lorraine
- Restaurant Patron
- Bruce MacCallister
- Waiter
- Bernard McDonald
- British TV Announcer
- Alain Mehrez
- Concierge's Son
- Jean-Michel Michenaud
- Concierge's Son
- Pat Michenaud
- Concierge's Son
- Lisa Mitchell
- Model
- Hans Moebus
- Party Guest
- Michèle Montau
- Party Girl
- Charles Morton
- Cafe Patron
- George N. Neise
- Swedish Delegate
- John A. Neris
- Jordanian
- Britt Nilsson
- Ingrid
- William O'Connell
- Cecil Graves
- Monty O'Grady
- Man on the Street
- Richard Mark Oliver
- Johnny - Scottish Office Assistant
- Richard Peel
- Bobby
- Murray Pollack
- Party Guest
- Jose Portugal
- Party Guest
- Jack Raine
- Bird Watcher
- Jean Ransome
- Seamstress
- Paul Ravel
- Caterer
- Karl Redcoff
- Party Guest
- Anthony Redondo
- Party Guest
- Waclaw Rekwart
- Hotel Guest
- Victor Romito
- Clerk
- Clark Ross
- Spectator on Street
- John Roy
- Restaurant Patron
- Jerry Rush
- Cafe Patron
- Ryck Rydon
- Party Guest
- Loulette Sablon
- Minor Role
- Art Salter
- Minor Role
- Cosmo Sardo
- Party Guest
- Jeffrey Sayre
- Board Member / Party Guest (uncredited)
- Chick Sheridan
- Messenger
- Mabel Smaney
- Woman
- Jacqueline Squire
- Miss Lynch
- Maurice St. Clair
- Party Guest
- Helen Day Stephens
- Model
- Norman Stevans
- Board Member
- Ulla Strömstedt
- Minor Role
- Gilchrist Stuart
- Man in Cab
- Hal Taggart
- Party Guest
- Kris Tel
- Minor Role
- Arthur Tovey
- Passerby / Man on the Street / Browser at Street Sale (uncredited)
- John Trayne
- Plant Engineer
- Dennis Turner
- Florist
- Leslie Vallen
- Minor Role
- Paul Verdier
- Asst. Concierge
- John Verros
- Ansara
- Terence Vliet
- Driver
- Clive Wayne
- Driver
- Raquel Welch
- Woman in Lobby
- Patrick Whyte
- First Fox Hunter
- Herbert Wyndham
- Board Member
