James Kelley Director, Writer Beryl Reid Ellie Ballantyne Actor Flora Robson Joyce Ballantyne Actor John Hamill Alan Marlow Actor Tessa Wyatt Nurse Sutherland Actor T.P. McKenna Det. Chief Sup. Paddick Actor John Kelland Sgt. Young Actor David Dodimead Dr. Spencer Actor Vernon Dobtcheff Newsmith Actor Tony Tenser Executive Producer