Kenneth Griffith (Dai Llewellyn) previously appeared with George Cole in Blue Murder at St. Trinian's (1957). He also previously appeared with Dennis Waterman in Snowball (1960)
Lee Montague (Bassam Sayin) later appeared in The Odds Couple (1991) as Lewis Nelson. And Johnny Shannon (George) later appeared in Second Hand Pose (1984) as Roly-Poly Peter and in Days of Fines and Closures (1989) as Tony Benson.
The following actors from this episode previously appeared with Dennis Waterman in The Sweeney (1975). Lee Montague (Bassam Sayin) appeared in the pilot Regan (1974) and Selected Target (1976). Michael Sheard (Elliot) appeared in Hit and Run (1975). Nadim Sawalha (Sardi) appeared in Visiting Fireman (1976) and Sweeney! (1977). Johnny Shannon (George) appeared in In from the Cold (1976), Sweeney! (1977) and Sweeney 2 (1978). And Ian Collier (1st Police Sergeant) appeared in The Bigger They Are (1978)