Leigh Lawson
Percy Edward Anthony
Elke Sommer
Clarissa
Denholm Elliott
Sir Emmanuel Whitbread
Judy Geeson
Dr. Fairweather
Harry H. Corbett
Prime Minister
Vincent Price
Stavos Mammonian
Adrienne Posta
P.C. 217 'Iris'
Julie Ege
Miss Hanson
Barry Humphries
Dr. Anderson / Australian TV Lady
James Booth
Jeffcott
Milo O’Shea
Dr. Klein
Ronald Fraser
Bleeker
Anthony Andrews
Catchpole
Bernard Lee
Barraclough
Madeline Smith
Miss UK
Alan Lake
Derry Hogan
George Coulouris
Professor Godowski
Jenny Hanley
Angie - Miss Teenage Lust
Diane Langton
Maureen Sugden
Carol Hawkins
Maggie
Marika Rivera
Madame Lopez
Penny Irving
Chiquita
Judy Matheson
Maria
Gertan Klauber
Pablo
Michael Barratt
Self
Bernard Falk
Self
T. P. McKenna
London News Editor
Edgar Metcalfe
London Newsman
Anthony Sharp
Judge
Alan Tilvern
General Dodds
Graham Weston
Brian
Minah Bird
Miss America
Marlene Morrow
Miss Australia
Ludmila Nova
Miss France
Karan David
Miss Israel (as Karen David)
Emily Bolton
Miss Thailand (as June Bolton)
Vikki Richards
Dolores (uncredited)
Lai Ling
(uncredited)
Olga Anthony
Whitbread's Assistant (uncredited)
Angus McKay
(uncredited)
Marianne Stone
Reporter (uncredited)