- Peter Sellers
- Grand Duchess Gloriana XII / Prime Minister Count Rupert of Mountjoy / Tully Bascombe
- Jean Seberg
- Helen Kokintz
- William Hartnell
- Will Buckley
- David Kossoff
- Doctor Alfred Kokintz
- Leo McKern
- Benter
- MacDonald Parke
- General Snippet
- Austin Willis
- United States Secretary of Defense
- Timothy Bateson
- Roger
- Monte Landis
- Cobbley
- Alan Gifford
- Air Raid Warden
- Colin Gordon
- BBC Announcer
- Harold Kasket
- Pedro
- Joe Beckett
- American General
- Nigel Bernard
- Fenwickian MP
- Wally Brown
- Air Raid Warden
- Jacques Cey
- Ticket Collector
- Charles Clay
- British Ambassador
- Henry De Bray
- French Ambassador
- Guy Deghy
- Soviet Ambassador
- Eve Eden
- Spectator
- Bill Edwards
- Army Captain
- Mabel Etherington
- Ada - Lady in Waiting
- Norman Fisher
- Man in Subway
- Tex Fuller
- Fenwickian
- Richard Gatehouse
- Mulligan
- Muriel Greenslade
- Lady in Waiting
- Fred Haggerty
- Fenwickian
- Lindsay Hooper
- Fenwickian
- Tony Jason
- Fenwickian
- Tommy Jenkins
- Fenwickian
- Juba Kennerley
- Maybury
- George Margo
- O'Hara
- Lionel Murton
- American General at the Pentagon
- Bill Nagy
- U.S. Policeman
- Robert O'Neil
- Reporter
- Lisa Peake
- Girl in Underground
- Geremy Phillips
- American youth
- Pat Ryan
- American General
- Stuart Saunders
- Cunard Captain
- Stan Simmons
- American Policeman
- Ken Stanley
- Cunard Second Officer
- Fred Stroud
- Fenwickian
- John Tatham
- American Admiral
- John Timberlake
- Fenwickian MP
- Mavis Villiers
- Telephone Operator
- Del Watson
- Fenwickian
- John Wilder
- American General
- Billy Wilmot
- Fenwickian
- Fred Wood
- Bird Seller
