Ηθοποιοί επεισοδίου
John ThawDet. Insp. Jack Regan
Dennis WatermanDet. Sgt. George Carter
Garfield MorganDet. Chief Insp. Frank Haskins
Lee MontagueColly Kibber
Ronald FraserTitus Oates
James AubreyHorace Reynes
★
Peter SchofieldDet. Chief Supt. Boothroyd
Maureen LipmanMrs. Smedley
Jonathan ElsomMr. Bradshaw
Basil DignamMoberly
★
Deirdre CostelloGwen Kibber
Roger HammondFinch
★
Judy MathesonKibber's Girlfriend
Bill TreacherTom