James Booth

Simon Hamilton

Richard Briers

Miles Gannet

Julie Ege

Utta Armitage

Ronald Fraser

Major Upton

Donald Sinden

Jeffrey Armitage

Tsai Chin

Madam Greenfly

Kenneth Cope

West

John Wells

Owltruss

Spike Milligan

a Customs officer

Richard Beckinsale

Hobbs

Derek Griffiths

Henson

Michael Bentine

Husein

Winnie Holman

Maid

Patsy Crowther

Old Lady

Patricia Quinn

Chauffeuse

Michael Rothwell

Removal Man

Michael Sharvell-Martin

Removal Man

Leon Sinden

Police Inspector

Barry Andrews

Policeman

Jonathan Dennis

Policeman

Alf Joint

Policeman

Trevor Ray

Rivet

David Toguri

Japanese

Max Raman

Japanese

Kristopher Kum

Japanese

Cheryl Hall

Maxine

Robert Gillespie

Arab Porter

Will Stampe

Gatekeeper

Ellis Dale

Laboratory Manager

David Battley

Desk Sergeant

Charles Lewsen

Scientist

Veronica Clifford

Petrol Pump Attendant

Penelope Keith

Reporter

Michael Segal

Picnicker

James Payne

Driver - Fire Engine Chasing Plane (uncredited)