The brick house with imitation Greek pillars around the front door, used as Johnny and Sheila Lyon's house, was also used as Rose Mellors' house in Diamonds Are a Girl's Worst Enemy (1980).
Last appearance of DS Matt Mathews, played by John Flanagan. He appeared in 3 episodes. The first one being Jackpot (1975)
Lynn Dearth also played a villain's moll in the second of two theatrical films, Sweeney 2, in 1978.
Tony Caunter (Derek Clarke) previously appeared with John Thaw in Information Received (1966) and later appeared with him in All You Need Is Love (1985). He also later appeared with Dennis Waterman in Shingle Beach (1991). Tony Caunter later became best known for playing Roy Evans in EastEnders (1985) from 1994-2003.