Played drums in a band called God's Third Leg as a teenager.
Appeared as a panelist on the BBC Radio 4 series The 99p Challenge.
Was asked to join the cast of Mission: Impossible III (2006) by director J.J. Abrams after Abrams saw Pegg's work in Shaun of the Dead (2004). Also collaborated with Abrams in the Star Trek reboot (2009).