Casts
Terence Morgan
as Johnny O'Flynn
Joan Rice
as Doreen Wilson
Raymond Lovell
as Inspector Forsythe
Dianne Foster
as Sylvia Newman
Colin Tapley
as Dr. Crabtree
Esmond Knight
as Prof. Newman
Mark Baker
as Dr. Metcalfe
Esma Cannon
as Patient in Doctor's Waiting Room
Sam Kydd
as Chauffeur
Tom Gill
as Hotel Receptionist
