Mark Addy (b. 1964) is a British actor who first gained international notice in the film The Full Monty and later starred on the US sitcom Still Standing (2002-2006).
Addy has appeared in three films with effects by Jim Henson's Creature Shop. He played Mac MacArthur in Jack Frost, Fred Flintstone in The Flintstones in Viva Rock Vegas, and cameoed as a steamer captain in Around the World in 80 Days.
Addy's other film credits include A Knight's Tale, Down to Earth (with Chris Rock), the 2002 version of The Time Machine, and The Order. TV work includes a regular role in the UK sitcom The Thin Blue Line (opposite Rowan Atkinson).