The Blackmailing of Mr. S

John Le Mesurier

Mr. Sparrow

Peter Vaughan

Sgt. George Burtonshaw

Peter Butterworth

Vickary

Jo Rowbottom

Angie Dundas

Robert James

Angus Kendrick

Marcus Hammond

Arnold

Sheila Keith

Miss Tripp

Winifred Dennis

Mrs. Everley

Robert Tronson

Director

Leonard White

Producer

Michael Gilbert

Writer