The Very Edge

Richard Todd (Geoffrey Lawrence)Anne Heywood (Tracey Lawrence)Nicole Maurey (Helen)Jack Hedley (Inspector McInnes)Jeremy Brett (Mullen - The Intruder)Maurice Denham (Crawford)William Lucas (Inspector Davis)Gwen Watford (Sister Holden)Barbara Mullen (Dr. Shaw)Peter Madden (Sergeant Williams)Patrick Magee (Simmonds)Pauline Delaney (Selina's Mother)Verina Greenlaw (Selina)Ian Curry (Railway Porter)Brian Weske (Ticket Clerk)Peter Dolphin (Ticket Clerk)Joseph Greig (Ticket Collector)Pamela Meant (Policewoman)