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