Dr. Benjamin Twist

Will Hay

Jerry the Mole

Moore Marriott

Lottie

Googie Withers

Albert Brown

Graham Moffatt

Deputy Governor

Basil Radford

Mabel

Kathleen Harrison

Sir Cyril Wagstaffe

Peter Gawthorne

Max Slessor

Wilfred Walter

Johnson

Garry Marsh

Head Warder

Dennis Wyndham

Sykes

Alf Goddard

Max Slessor

Wilfrid Walter

Bates

Basil McGrail

Slim Charlie

Teddy Brown

Raymond

Graham Soutten

Jimmy

Roddy McDowall

Charles Benjamin

Roy Emerton

Graham [Ben] Soutten

Tiara Lady

Bertha Belmore

Patrolman

George Merritt

Convict

Leonard Sharp