Characters played by Sylvia Syms
Diana Stewart
Characters played by John Thaw
Mark Paxton
Characters played by Dudley Foster
Inspector Clay
Characters played by June Ellis
Thelma Bowen
Characters played by Stanley Meadows
Ned Tallboy
Characters played by June Bland
Mrs. Houston
Characters played by Emrys Jones
Walter Bowen
Characters played by Clive Graham
Sergeant Booth
Characters played by Patsy Smart
Kitty Tracey
Characters played by Ann Windsor
Mary Wayne
Characters played by David Quilter
Vince
Characters played by Paddy Glynn
Diana Valesco
Characters played by Noel Johnson
Geoffrey Stewart
Characters played by Norman Scace
Nigel Mills
Characters played by Bernard Martin
Sergeant Dawson
Characters played by Patrick Ellis
Miller
Characters played by John Caesar
Len Morgan
Characters played by Terence Donovan
Sloane
Characters played by Margaret Frost
Beryl
Characters played by Ali Hassan
Ryan