Will Hay

Dr. Benjamin Twist

Moore Marriott

Jerry The Mole

Graham Moffatt

Albert Brown

Googie Withers

Lottie

Peter Gawthorne

Sir Cyril

Basil Radford

Deputy Governor

Wilfred Walter

Max Slessor

Dennis Wyndham

Head Warder

Alf Goddard

Sykes

Basil McGrail

Bates

Kathleen Harrison

Mabel

Roddy McDowall

Jimmy

Teddy Brown

Slim Charlie

Bertha Belmore

Tiara Lady

George Merritt

Patrolman

Marcel Varnel