Lee Gordon McKillop (born 4 August 1968), known by his stage name Lee Mack, is an English actor, comedian and presenter. He is known for writing and starring in the sitcom Not Going Out, being a team captain on the BBC One comedy panel show Would I Lie to You?, hosting the Sky One panel show Duck Quacks Don't Echo and presenting the panel show They Think It's All Over.
He has also been a guest host on Have I Got News for You and Never Mind the Buzzcocks, a guest captain on 8 Out of 10 Cats Does Countdown, and a guest panellist on QI. In 2021 he will be making his debut in the Radio 4 panel game I'm Sorry I Haven't A Clue.