Cast
Jack Watling
Dennis Willows
Rona Anderson
Sallie Harbord
John Horsley
Peter Hastings
Russell Napier
Inspector Simmons
Kenneth Kent
Dr. Julian Cole
M
Mary Jones
Florence Cole
Alastair Hunter
Sgt. Thorpe
Joan Hickson
Miss Edinger
John Le Mesurier
Phinneas Tilliard
June Ashley
Madeline Tilliard
