Charlie Croker

Michael Caine

Mr. Bridger

Noel Coward

Professor Simon Peach

Benny Hill

Lorna

Maggie Blye

Lorna

Margaret Blye

Altabani

Raff Vallone

Freddie

Tony Beckley

Altabani

Raf Vallone

Beckerman

Rossano Brazzi

Miss Peach

Irene Handl

Governor

John Le Mesurier

Birkinshaw

Fred Emney

Garage Manager

John Clive

Bill Bailey

George Innes

Keats

Graham Payn

Arthur

Michael Standing

Coco

Stanley Caine

Peter Collinson

Chris

Barry Cox

Vicar

David Kelly

Big William

Harry Baird

Yellow

Robert Powell

Frank

John Forgeham

Rozzer

Derek Ware

Roger

Frank Jarvis

Dominic

David Salamone

Manzo

Mario Valgoi

Cosca

Renato Romano

Tony

Richard Essome

Altabani's Driver

Franco Novelli

Police Chief

Robert Rietty

Dentist

Timothy Bateson

Senior Computer Room Official

Arnold Diamond

Police Chief

Robert Rietti

Shirtmaker

Simon Dee

Cinema Warder

Alastair Hunter

Mrs. Cosca

Lana Gatto

Computer Room Official

John Louis Mansi

Tailor

Henry McGee

Mrs. Beckerman

Leila Goldoni

Receptionist, Royal Lancaster

Valerie Leon

Blonde Scrubber at Party

Hazel Collinson

Mrs. Beckerman (uncredited)

Lelia Goldoni

John Morris

Prisoner in cell

Frank Kelly