When Levitt puts Rizzo in the cage, he says, "OK Papillon, over there." This is in reference to Papillon (1973) starring Steve McQueen and Dustin Hoffman. McQueen played Henri "Papillon" Charrière, who escaped from Devil's Island.
The characters Phillip Lukeather, and Leon Roth appeared before in Community Relations (1977). They would appear again in Landmark: Part 3 (1982).
Before this episode, Stanley Brock served as Bruno Bender three times: Good-Bye, Mr. Fish: Part 1 (1977) (Season 4 , Episode 1), Wojo's Problem (1978) (Season 4 Episode 18), and The Spy (1979) (Season 5, Episode 15). After this episode, he played the role another three times: Rachel (1981) (Season 7 , Episode 14), Homeless (1981) (Season 8 , Episode 7), Landmark: Part 3 (1982) (Season 8 , Episode 22).
Michael Tucci character name Danny Rizzo appropriates the names of two characters from the movie Grease (1978), where he also starred as Sonny.