Acting · Bromsgrove, Worcestershire, England, UK · Born August 22, 1959
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.
MovieThe Secret Santa Project
2025
as Leon
MovieDream Hacker
2025
as Edgar Wainwright
MovieRobin and the Hoods
2024
as The Mayor
MovieSurprised by Oxford
2023
as Professor Nuttham
MovieThe Effects of Lying
2023
TVFantastic Friends
2022
as Self
MovieSuper Villans
2022
as Self
TVHere We Go
2022
as Frank
TVSister Boniface Mysteries
2022
as Father Brown
MovieHarry Potter 20th Anniversary: Return to Hogwarts
2022
as Self
MovieThe Fast Show: More Blooming Catchphrases
2020
as Self/Various Characters
MovieEarly Man
2018
as Barry (voice)
MovieHeidi: Queen of the Mountain
2017
as Henry
MovieHarry Potter: A History Of Magic
2017
as Himself
MovieWe're Going on a Bear Hunt
2016
as Dad (voice)
MovieGolden Years
2016
as Phil
MovieRed Top
2016
as Police Commissioner Hamish Pritchard
Born Naughty?
2015
as Self - Narrator (voice)
TVThe Musketeers
2014
as Pathologist
MovieThe Look of Love
2013
as Follies Director
TVFather Brown
2013
as Father Brown
TVBlandings
2013
as Sebastian Beach
MovieAlbert Nobbs
2011
as Sean Casey
MovieWhen Harry Left Hogwarts
2011
as Self
Movie50 Greatest Harry Potter Moments
2011
as Arthur Weasley (archive footage)
MovieHarry Potter and the Deathly Hallows: Part 2
2011
as Arthur Weasley
Fern
2011
MovieFrankenstein's Wedding... Live in Leeds
2011
as Alphonse Frankenstein
TVLittle Crackers
2010
as Father Christmas
MovieHarry Potter and the Deathly Hallows: Part 1
2010
as Arthur Weasley
TVThe Indian Doctor
2010
as Richard Sharpe
MovieSteve Coogan: The Inside Story
2009
as Self
MovieHarry Potter and the Half-Blood Prince
2009
as Arthur Weasley
TVBeing Human
2009
as Regus
TVMerlin
2008
as The Goblin (voice)
A Room with a View
2008
as Mr Beebe
TVSense and Sensibility
2008
as Sir John Middleton
MovieA Room with a View
2007
as Mr Beebe
MovieStardust
2007
as Billy
MovieHarry Potter and the Order of the Phoenix
2007
as Arthur Weasley
MovieSaxondale: On The Road
2006
as Self
TVThe One Show
2006
as Self
TVSaxondale
2006
as Deggsy
MovieViva Blackpool
2006
as Tommy Vesty
TVThe World's Strangest UFO Stories
2006
as Self - Narrator (voice)
MovieHarry Potter and the Goblet of Fire
2005
as Arthur Weasley
MovieA Cock and Bull Story
2005
as Ingoldsby
TVDoctor Who
2005
as Brian Williams
TVThe Rotters' Club
2005
as Sam Chase
TVAgatha Christie's Marple
2004
as Commander Peters
TVCarrie & Barry
2004
as Kirk
MovieHarry Potter and the Prisoner of Azkaban
2004
as Arthur Weasley
TVMark Williams On The Rails
2004
as Self - Presenter
MovieAgent Cody Banks 2: Destination London
2004
as Inspector Crescent
TVHustle
2004
as Dale Ridley
MovieThe Heart of Me
2004
as Man
TVNew Tricks
2004
as David Beaumont
MovieThe Fast Show: The Farewell Tour
2003
as Various
Star
2003
as Mr Fisher
MovieAnita and Me
2002
as The Reverend 'Uncle' Alan
MovieHarry Potter and the Chamber of Secrets
2002
as Arthur Weasley
MovieThe Final Curtain
2002
as Declan Farrell
TVIndustrial Revelations
2002
TVShackleton
2002
as Dudley Docker
MovieDick Whittington: The ITV Pantomime
2002
as King Rat
MovieCombat Sheep
2001
as Moose (voice)
MovieSecond Star to the Left
2001
as Duke (voice)
MovieHigh Heels and Low Lifes
2001
as Tremaine
TVHappiness
2001
MovieExit Wounds
2001
as Cop
Jumpers for Goalposts
2001
as Tommy Stein
Fun at the Funeral Parlour
2001
Happy Birthday Shakespeare
2000
as Ted
MovieWhatever Happened to Harold Smith?
2000
as Roland Thornton
TVThe Strangerers
2000
as Cadet Flynn
TVGormenghast
2000
as Professor Perch
MovieSuit You Sir! The Inside Leg Of The Fast Show
1999
as Self
TVLoose Women
1999
as Self
MovieHunting Venus
1999
as Peter
MovieThe Fast Show Live
1998
MovieTed & Ralph
1998
as Confirmed Bachelor
MovieShakespeare in Love
1998
as Wabash
TVComedy Lab
1998
as Mr. Anderson
MovieThe Borrowers
1997
as Exterminator Jeff
TVMidsomer Murders
1997
as Pat Everett
Movie101 Dalmatians
1996
as Horace
The Big Game
1995
as Tommy Hollis
MovieFever
1994
as Jukebox Man
TVHarry Enfield and Chums
1994
as Husband on Holiday
TVThe Fast Show
1994
as Various Characters
MoviePrince of Jutland
1994
as Aslak
TV99-1
1994
as John Samms
TVThe Smell of Reeves and Mortimer
1993
TVPeak Practice
1993
as Roland Grogan
TVChef
1993
as Policeman 2
TVMerlin of the Crystal Cave
1991
as Cerdic
TVBottom
1991
as Boris
Kinsey
1991
as Danny
MovieDragon Fight
1989
as Ray
TVGreat Expectations
1989
as Mr. Trabb's Son
TVKYTV
1989
MovieCoppers
1988
TVAlexei Sayle's Stuff
1988
MovieTumbledown
1988
as Lumpy
MovieThe Storyteller: Fearnot
1988
as Fearnot's Brother
TVThe Storyteller
1988
as Fearnot's Brother
TVRed Dwarf
1988
as Olaf Petersen
TVCasualty
1986
as Des Jones
MoviePrivileged
1982
as Wilf
TVTop of the Pops
1964
as Self - Host
Lead Heads
MovieThe Dark Channel
as Mabuse
TVMark Williams' Big Bangs
