Peter Sellers
— The Rev. John Smallwood
Cecil Parker
— Archdeacon Aspinall
Isabel Jeans
— Lady Despard
Ian Carmichael
— The Other Smallwood
Bernard Miles
— Simpson
Brock Peters
— Matthew Robinson
Eric Sykes
— Harry Smith
Irene Handl
— Rene Smith
Miriam Karlin
— Winnie Smith
Joan Miller
— Mrs Smith-Gould
William Hartnell
— Major Fowler
Roy Kinnear
— Fred Smith
John Harvey
— Wilson, Prison Officer
Joan Hickson
— Housewife
Eric Barker
— Bank Manager
John Comer
— Butcher
Kenneth Griffith
— Rev. Owen Thomas
Mark Eden
— Sir Geoffrey Despard
Basil Dignam
— Prison Governor
Colin Gordon
— Prime Minister
Geoffrey Hibbert
— Council Official
Ludovic Kennedy
— Himself
Malcolm Muggeridge
— Cleric
Harry Locke
— Shop Steward
Derek Nimmo
— DG Assistant
Conrad Phillips
— Deaf Man
Miles Malleson
— Bishop Rockeby
Nicholas Phipps
— DG
Thorley Walters
— Tranquilax Executive
Marianne Stone
— Miss Palmer