Calificación
Reparto

Jack Watling
Dennis Willows

Rona Anderson
Sallie Harbord

John Horsley
Peter Hastings

Russell Napier
Inspector Simmons

Kenneth Kent
Dr. Julian Cole

Mary Jones
Florence Cole

Alastair Hunter
Sgt. Thorpe

Joan Hickson
Miss Edinger

John Le Mesurier
Phinneas Tilliard

June Ashley
Madeline Tilliard

Hélène Burls
Mrs. James

Charles Hammond
Juror at Inquest (uncredited)

Edward French
Bit Part (uncredited)

Peter Gilmore
Bit Part (uncredited)

Arthur Gross
Bit Part (uncredited)

Pat Hagan
Police Officer at Inquest (uncredited)