At the end of the episode in the pub "John Standen" tells "Arthur" his mother bought a faulty record player "from some Flash Harry". One of George Cole's famous early roles was that of "Flash Harry" in the St. Trinian's films of the 1950's.
This was the last TV appearance of Alfie Bass (Morrie Levin), an accomplished Film & TV Actor whose career had begun in the 1930's. He previously appeared with Dennis Waterman in Up the Junction (1968)
The following actors from this episode previously appeared with Dennis Waterman in The Sweeney (1975). Gary Waldhorn (Alex Rowan) appeared in Hit and Run (1975). Nigel Humphreys (Ronald) appeared in Trust Red (1978). Christopher Ellison (Charlie) appeared in Queen's Pawn (1975). And Christopher Coll (Probation Officer Morley) appeared in Supersnout (1975)