Person file · Acting

Mark Williams

Born 1959-08-22Bromsgrove, Worcestershire, England, UK

Mark Williams (born August 22, 1959) is an English actor, comedian, presenter and screenwriter. He first achieved widespread recognition as one of the central performers in the popular BBC sketch show The Fast Show. His film roles include Horace in the 1996 adaptation of 101 Dalmatians and Arthur Weasley in seven of the Harry Potter films. He made recurring appearances as Brian Williams in the BBC television series Doctor Who and as Olaf Petersen in Red Dwarf. Since 2013, Williams has portrayed the title character in the long-running BBC series loosely based on the Father Brown short stories by G. K. Chesterton.

Screen work

Movies & roles

2025The Secret Santa ProjectLeon 2025Dream HackerEdgar Wainwright 2024Robin and the HoodsThe Mayor 2023Surprised by OxfordProfessor Nuttham 2023The Effects of LyingRole 2022Super VillansSelf 2022Harry Potter 20th Anniversary: Return to HogwartsSelf 2020The Fast Show: More Blooming CatchphrasesSelf/Various Characters 2018Early ManBarry (voice)2017Heidi: Queen of the MountainHenry 2017Harry Potter: A History Of MagicHimself 2016We're Going on a Bear HuntDad (voice)2016Golden YearsPhil 2016Red TopPolice Commissioner Hamish Pritchard 2013The Look of LoveFollies Director 2011Albert NobbsSean Casey 2011When Harry Left HogwartsSelf 201150 Greatest Harry Potter MomentsArthur Weasley (archive footage)2011Harry Potter and the Deathly Hallows: Part 2Arthur Weasley 2011Frankenstein's Wedding... Live in LeedsAlphonse Frankenstein 2010Harry Potter and the Deathly Hallows: Part 1Arthur Weasley 2009Steve Coogan: The Inside StorySelf 2009Harry Potter and the Half-Blood PrinceArthur Weasley 2007A Room with a ViewMr Beebe