Director/a
Ian Merrick
DIRECTOR/A
Reparto (por orden de créditos)
Donald Sumpter
Donald Neilson
Debbie Farrington
Lesley Whittle
Marjorie Yates
Neilson's Wife
Sylvia O'Donnell
Neilson's Daughter
Andrew Burt
Lesley's Brother
Alison Key
Lesley's Sister-in-Law
Ruth Dunning
Lesley's Mother
David Swift
Det. Chief Superintendent
Michael Barrington
ACTOR
Lila Kaye
Delia Paton
Edwin Apps
Donald Skepper - New Park Murder Victim
Gerry Sundquist
Ruth Kettlewell
Graham Ashley
Brenda Cowling
Lyn McCarthy
Paul McCarthy
Peter Copley
Sidney Grayland - Langley Murder Victim
Barbara New
Jack Galloway
Valerie Holliman
Paul Luty
Richard Aylen
Charles Pemberton
John Eastham
Anthony Naylor
John Dixon
Christopher Holroyd
Loftus Burton
Josie Grant
Chip Shop Observeruncredited