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)