Professor Canford

Cecil Parker

Acting

'Flash' Harry Cuthbert Edwards

George Cole

Acting

Sergeant Ruby Gates

Joyce Grenfell

Acting

Culpepper-Brown

Eric Barker

Acting

Butters

Thorley Walters

Acting

Miss Harker-Parker

Irene Handl

Acting

Gore Blackwood

Dennis Price

Acting

Alphonse O'Reilly

Sidney James

Acting

Rosalie Dawn

Julie Alexander

Acting

Superintendent Samuel Kemp-Bird

Lloyd Lamble

Acting

Judge Slender

Raymond Huntley

Acting

Major Hargreaves

Nicholas Phipps

Writing

Miss Brenner

Lisa Lee

Acting

Minister of Education

John Le Mesurier

Acting

Defence Counsel

George Benson

Acting

Emir

Elwyn Brook-Jones

Acting

Army Officer

Basil Dignam

Acting

Army Captain

Cyril Chamberlain

Acting

Liftman

Michael Ripper

Acting

Prosecuting Counsel

Mark Dignam

Acting

Octavius

Monte Landis

Acting

Tailor

Warren Mitchell

Acting

V.I.P.

Clive Morton

Acting

Chief Constable

Wensley Pithey

Acting

WPC Susan Partridge

Liz Fraser

Acting

Usher

Bill Shine

Acting

Lavinia (uncredited)

Edina Ronay

Acting

Bobbie (uncredited)

Erica Rogers

Acting