Mark Williams
- Known for Acting
Acting credits
- 2022 Harry Potter 20th Anniversary: Return to Hogwarts as Self
- 2018 Early Man as Barry (voice)
- 2011 Albert Nobbs as Sean Casey
- 2009 Harry Potter and the Half-Blood Prince as Arthur Weasley
- 2007 Stardust as Billy
- 2007 Harry Potter and the Order of the Phoenix as Arthur Weasley
- 2005 Harry Potter and the Goblet of Fire as Arthur Weasley
- 2004 Harry Potter and the Prisoner of Azkaban as Arthur Weasley
- 2004 Agent Cody Banks 2: Destination London as Inspector Crescent
- 2002 Harry Potter and the Chamber of Secrets as Arthur Weasley
- 1998 Shakespeare in Love as Wabash
- 1997 The Borrowers as Exterminator Jeff
- 1996 101 Dalmatians as Horace