Guest Stars Colin Fisher as DS Brenner Charles Lamb as Harry Perry Fenwick as Marvin Osborne Michael Bilton as Arthur Coombs Anthony Morse as Man in Street Eric Francis as Mal Frank Lee as Ernie John Bloomfield as Mike June Marlow as Mum Lloyd Bevan as Small Boy Michael Gardiner as Warden Patricia Conti as Rotund Matriarch Tony Calvert as Tonto Wally Thomas as Lagger