Peter Sellers

as Pearly Gates

Lionel Jeffries

as Inspector Fred 'Nosey' Parker

Bernard Cribbins

as Nervous O'Toole

Nanette Newman

as Valerie

Davy Kaye

as Trainer King

Bill Kerr

as Jack Coombes

Ed Devereaux

as Bluey May

Reg Lye

as Reg Denton

John Le Mesurier

as Assistant Commissioner

Graham Stark

as Sid Cooper

Martin Boddey

as Superintendent J.S. Forest

Irene Browne

as Dowager

Arthur Mullard

as Brassknuckles

Tutte Lemkow

as Siggy Schmoltz

Dermot Kelly

as Misery Martin

Vanda Godsell

as Annette

Barry Keegan

as Alf

Marianne Stone

as Woman at Meeting (uncredited)

Michael Caine

as Police Officer (uncredited)

Dennis Price

as Educated Ernest (uncredited)

Dick Emery

as Adulterous Man (uncredited)

John Junkin

as Maurice (uncredited)

Cardew Robinson

as Postman (uncredited)

Mario Fabrizi

as Van Driver (uncredited)

John Harvey

as Sergeant at Police Station (uncredited)

Harold Siddons

as Police Constable in Garage (uncredited)

Jack Silk

as Police Constable at Station (uncredited)

Deryck Guyler

as Police Constable at Scotland Yard (uncredited)

Gerald Sim

as Airport Official (uncredited)