- Ian Carmichael
- Stanley Windrush
- Terry-Thomas
- Maj. Hitchcock
- Peter Sellers
- Fred Kite / Sir John Kennaway
- Richard Attenborough
- Sidney De Vere Cox
- Dennis Price
- Bertram Tracepurcel
- Margaret Rutherford
- Aunt Dolly
- Irene Handl
- Mrs. Kite
- Liz Fraser
- Cynthia Kite
- Miles Malleson
- Windrush Snr.
- Marne Maitland
- Mr. Mohammed
- John Le Mesurier
- Waters
- Raymond Huntley
- Magistrate
- Victor Maddern
- Knowles
- Kenneth Griffith
- Dai
- Fred Griffiths
- Charlie
- Donal Donnelly
- Perce Carter
- John Comer
- Shop Steward
- Sam Kydd
- Shop Steward
- Cardew Robinson
- Shop Steward
- Tony Comer
- Shop Steward
- Bruce Wightman
- Shop Steward
- Bill Rayment
- Shop Steward
- Ronnie Stevens
- Hooper
- Martin Boddey
- Num Yum's Executive
- Brian Oulton
- Appts. Board Examiner
- Malcolm Muggeridge
- T.V. Panel Chairman
- John Glyn-Jones
- Detto Executive
- Pauline Winter
- Miss Forsdyke
- Maurice Colbourne
- Missiles Director
- Jeremy White
- Young Chemist
- Robin Ray
- Young Chemist
- Michael Bates
- Bootle
- John Van Eyssen
- Reporter
- Robert Bruce
- Reporter
- Michael Ward
- Reporter
- Stringer Davis
- Reporter
- Tony Spear
- Reporter
- Arthur Skinner
- Photographer
- William Dexter
- Photographer
- Eynon Evans
- Truscott
- Esma Cannon
- Spencer
- Robert S. Young
- Owens
- Roy Purcell
- Police Inspector
- Marianne Stone
- T.V. Receptionist
- Terry Scott
- Crawley
- Marion Shaw
- Tea Girl
- Wally Patch
- Workman
- Alun Owen
- T.V. Producer
- Muriel Young
- T.V. Announcer
- Frank Phillips
- B.B.C. Announcer
- Ian Wilson
- Evangelist
- Margaret Lacey
- Empire Loyalist
- George Selway
- Union Jack Workman
- Alan Wilson
- Union Jack Workman
- David Lodge
- Card Player
- Keith Smith
- Card Player
- Kenneth J. Warren
- Card Player
- Basil Dignam
- Minister of Labour
- Harry Locke
- Trade Union Official
- John Adams
- Constable
- Chris Adcock
- Actor
- Jack Armstrong
- Man in Court
- Joe Beckett
- Trade Union Official
- Jack 'Kid' Berg
- Factory Worker
- Nigel Bernard
- Studio Floor Manager
- Jim Brady
- Missiles Worker
- Fay Bura
- Audience
- Alf Casha
- Man in Court
- Jimmy Charters
- Missiles Worker
- E.V.H. Emmett
- Narrator
- Mabel Etherington
- Empire Loyalist
- Chick Fowles
- Solicitor
- Tex Fuller
- Factory Worker
- Bob Grant
- Card player
- Hilda Green
- Nudist
- Dave Griffiths
- Factory Worker
- Victor Harrington
- Reporter at Factory Gate
- George Hilsdon
- Reporter at Factory Gate
- Lindsay Hooper
- Downing Street Butler
- Billy John
- Factory Worker
- Gertrude Kaye
- Empire Loyalist
- Frederick Kelsey
- Clerk of the Court
- Juba Kennerley
- Empire Loyalist
- Julie La Rousse
- Tennis Player
- Aileen Lewis
- Reporter at Kite Residence
- John Leyton
- Recruit to Detto
- Dickey Luck
- Factory Worker / Lorry Driver (uncredited)
- Jack Mandeville
- Solicitor
- Vicky Marshall
- Tea Girl / Audience Member (uncredited)
- Colin McKenzie
- Reporter
- Jimmy Millar
- Missiles Worker
- Patrick Mynhardt
- T.V. Panel Show Announcer
- Cecil Paul
- Reporter
- Geremy Phillips
- Youth
- Harry Phipps
- Missile Worker
- Bob Raymond
- Factory Worker
- Ernie Rice
- Missiles Worker
- Johnny Rossi
- Actor
- Pat Ryan
- Reporter
- Jack Sharp
- Official
- Sheila Sim
- Visitor
- Stan Simmons
- Factory Worker
- Tony Spears
- Reporter
- George Spence
- Missiles Worker
- Philip Stewart
- Solicitor
- Fred Stroud
- Reporter
- Joseph Tregonino
- Empire Loyalist
- Robert Vossler
- Policeman
- Billy Wilmot
- Missiles Worker
- Fred Wood
- Police Sergeant
- Bob Wright
- Reporter
- Paula Wright
- Nudist
