When they're in the new age bookstore, Paul (Simon Pegg) says to Gary (Martin Freeman), "What are we doing in the hobbit hole?" Martin Freeman played Bilbo Baggins in The Hobbit trilogy.
Simon Pegg and Martin Freeman appeared in Shaun of the Dead (2004), Hot Fuzz (2007), and The World's End (2013).
Jarvis Cocker would release a single called House Music All Night Long, in 2020.