Peter Finch character Johnnie Byrne
Stanley Holloway character Fred Andrews
Mary Peach character Pauline West
Donald Pleasence character Renfrew
Billie Whitelaw character Mary
Hugh Burden character Tim Maxwell
Rosalie Crutchley character Alice Byrne
Dennis Price character Flagg
Mervyn Johns character Charlie Young
Michael Goodliffe character Dr. West
Geoffrey Keen character The Prime Minister - Reginald Stevens
Paul Rogers character Sydney Johnson
Peter Barkworth character Henderson
Fenella Fielding character Sheilah
Derek Francis character Frank
Gladys Henson character Mrs. Sarah Arscott - Constituent at Party Meeting
Conrad Phillips character Drake
Maureen Pryor character Labour Party Member
George Rose character Edward Collins
Peter Sallis character M.P.
Oliver Reed character Man with Bucket on His Head (uncredited)
