Matthew Armitage visits the country house of his best friend Neil. While dressing for dinner, he sees in the bedroom mirror the reflection of a young girl being strangled.
Nicholas Clay as Matthew Armitage Emma Piper as Sylvia Carslake Shaun Scott as Neil Carslake Johnathon Morris as Alan Carslake Paul Williamson as Mr Carslake Elspet Gray as Mrs Carslake Nicholas Le Prevost as Derek Wainwright Marjorie Bland as Charlotte Hardy David Cook as Captain Mountjoy John Golightly as Commanding Officer John Wheatley as Barton Brian Anthony as Charles Crawley Kenneth Midwood as Mr Hobbs Valerie Lush as Mrs Hobbs Eileen Davies as Nurse Elizabeth Benson as Mrs Armitage Sarah-Jane Bickerton as Lucy Jerrard Leslie Adams as Man at Engagement Party Jim Delaney as Party Guest Walter Henry as Party Guest
