Glyn Houston
— Det. Insp. Isaacs
Michael Elphick
— Robert Delmonds
Patrick Holt
— Gerrard Beynon
Nerys Hughes
— Christine Fenton
Ray Lonnen
— Det. Con. Compton
Reg Lye
— Charles Gutteridge
William Marlowe
— Det. Con. Wallets
Garfield Morgan
— Calvin
Michael Ripper
— Harry
Jack Woolgar
— Mr. Gray
Royston Tickner
— Det. Sgt. Clarke
Bunny May
— Det. Con. Farrar
Marcus Hammond
— Det. Con. North
Simon Cord
— Ronald Thomas
Hazel Coppen
— Mrs. Straker