Peter Cook as George Spiggot

Dudley Moore as Stanley Moon

Eleanor Bron as Margaret

Raquel Welch as Lilian Lust

Alba as Vanity

Robert Russell as Anger

Barry Humphries as Envy

Parnell McGarry as Gluttony

Danièle Noël as Avarice

Howard Goorney as Sloth

Michael Bates as Inspector Clarke

Bernard Spear as Irving Moses

Robin Hawdon as Randolph

Michael Trubshawe as Lord Dowdy

Evelyn Moore as Mrs. Wisby

Charles Lloyd Pack as Vicar

Lockwood West as St. Peter

Betty Cooper as Sister Phoebe

Martin Boddey as Cardinal (uncredited)

Erik Chitty as Seed - Sir Stanley Moon's Butler (uncredited)

Valentine Dyall as God (uncredited)

Max Faulkner as Priest (uncredited)

Peter Hutchins as PC Roberts (uncredited)

John Steiner as TV Announcer (uncredited)

Robin Tolhurst as Daphne (uncredited)

Anna Turner as Shop Assistant (uncredited)