Cecil Parker

Professor Canford

George Cole

'Flash' Harry Cuthbert Edwards

Joyce Grenfell

Sergeant Ruby Gates

Eric Barker

Culpepper-Brown

Thorley Walters

Butters

Irene Handl

Miss Harker-Parker

Dennis Price

Gore Blackwood

Sid James

Alphonse O'Reilly

Julie Alexander

Rosalie Dawn

Lloyd Lamble

Superintendent Samuel Kemp-Bird

Raymond Huntley

Judge Slender

Nicholas Phipps

Major Hargreaves

Lisa Lee

Miss Brenner

John Le Mesurier

Minister of Education

George Benson

Defence Counsel

Frank Launder