 Paul NewmanAndrew Craig | Andrew Craig |
 Edward G. RobinsonMax Stratman/Walter Stratman | Max Stratman/Walter Stratman |
 Elke SommerInger Lisa Andersson | Inger Lisa Andersson |
 Diane BakerEmily Stratman | Emily Stratman |
 Micheline PresleDenise Marceau | Denise Marceau |
 Gérard OuryClaude Marceau | Claude Marceau |
 Sergio FantoniCarlo Farelli | Carlo Farelli |
 Kevin McCarthyJohn Garrett | John Garrett |
 Leo G. CarrollBertil Jacobsson | Bertil Jacobsson |
 Sacha PitoëffDranyi | Dranyi |
 Jacqueline BeerMonique Souvir | Monique Souvir |
 John WengrafHans Eckhart | Hans Eckhart |
 Don DubbinsIvar Cramer, Light Henchman | Ivar Cramer, Light Henchman |
 Virginia ChristineMrs. Bergh, Chaperon | Mrs. Bergh, Chaperon |
 Rudolph AndersMr. Rolfe Bergh - Chaperon | Mr. Rolfe Bergh - Chaperon |
 Martine BartlettSaralee Garrett | Saralee Garrett |
 Karl SwensonHilding | Hilding |
 John QualenOscar | Oscar |
 Ned WeverClark Wilson | Clark Wilson |
 Bess FlowersLady In Audience (uncredited) | Lady In Audience (uncredited) |
 Britt EklandNudist (uncredited) | Nudist (uncredited) |
 Colin KennyGuest at Awards Ceremony (uncredited) | Guest at Awards Ceremony (uncredited) |
| BBert StevensGuest at Award Ceremony (uncredited) | Guest at Award Ceremony (uncredited) |
 Arthur ToveyWaiter at Reception (uncredited) | Waiter at Reception (uncredited) |
 Lori WilliamsDancer (uncredited) | Dancer (uncredited) |
| SSigrid PettersonSpeaker at Nudist meeting (uncredited) | Speaker at Nudist meeting (uncredited) |
 Lars PassgårdSwedish man (uncredited) | Swedish man (uncredited) |
| GGrazia NarcisoMadame Farelli (uncredited) | Madame Farelli (uncredited) |
 Annalena LundBlonde at Nightclub (uncredited) | Blonde at Nightclub (uncredited) |
| GGeorge BoyceParty Guest (uncredited) | Party Guest (uncredited) |
