Diretor/a
Martyn C. Webster
DIRETOR/A
Elenco (na ordem dos créditos)
Hector Ross
Mark Fenton
David Peel
Robin Terry
Reginald Hearne
Wade
Pamela Galloway
Linda Brooks
Hugh Kelly
Dr Andrew Sefton
Arthur Ridley
Sir Oliver Peters
Raymond Huntley
Det. Insp. Austin
Ivan Samson
Colonel Wyman
Elizabeth Maude
Sister Rogers
Nancy Manningham
Nurse
Duncan McIntyre
Morgan
Lillian Christine
Mrs. Terry
Cecil Winter
Det. Insp. Lester
Christopher Rhodes
Det. Sgt. Compton
Brian Badcoe
Michael Christie
James Beattie
CID photographer
Mary Horn
Mrs. Christie
Alun Owen
Det. Sgt. Lewis
Roger Delgado
Harrison
Venetia Barrett
ATOR
Fanny Carby
Mrs. Dobson
Frank Singuineau
Peter Coke
Edward Schroder
Raf De La Torre
Oscar
Charles Leno
Collins
Arthur Mason
Ann Totten
Dorit Welles
Kathleen Canty
Stanley Groome
Police Sergeant
Nickola Sterne