This episode had ratings of 8.30m under the JICTAR system of measurement, making it the most-watched programme on UK television that week.
Bernard Kay (Thomas) later appeared in Sweeney! (1977) as Matthews. He previously appeared with John Thaw in The Orderly Officer (1964). He also later appeared with Dennis Waterman in Willesden Suite (1984)
This was the first episode of The Sweeney written by Ray Jenkins, he also wrote I Want the Man (1975). He went on to write Circles of Deceit: Kalon (1996), in which Dennis Waterman had the starring role.
Brian Hall (Ernie Davies) later appeared in Sweeney 2 (1978) as Haughton. He also later appeared with Dennis Waterman in You Gotta Have Friends (1980)
Kenneth Colley (Noah Riley) previously appeared with John Thaw in It's What Comes After (1964) and later appeared with him in Second Time Around (1991). He also later appeared with Dennis Waterman in Dockers (2006)