Acting
Mark Williams
Acting · Born 1959-08-22 · Bromsgrove, 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.
Credits · 104
FilmDream Hacker
2025 · Edgar Wainwright
FilmRobin and the Hoods
2024 · The Mayor
FilmSurprised by Oxford
2023 · Professor Nuttham
FilmThe Effects of Lying
2023
Fantastic Friends
2022 · Self
Here We Go
2022 · Frank
Sister Boniface Mysteries
2022 · Father Brown
FilmHarry Potter 20th Anniversary: Return to Hogwarts
2022 · Self
FilmThe Fast Show: Just a Load of Blooming Catchphrases
2020 · Writer
FilmEarly Man
2018 · Barry (voice)
FilmHarry Potter: A History Of Magic
2017 · Himself
FilmWe're Going on a Bear Hunt
2016 · Dad (voice)
FilmGolden Years
2016 · Phil
FilmRed Top
2016 · Police Commissioner Hamish Pritchard
Born Naughty?
Born Naughty?
2015 · Self - Narrator (voice)
The Musketeers
2014 · Pathologist
FilmThe Look of Love
2013 · Follies Director
Father Brown
2013 · Father Brown
Blandings
2013 · Sebastian Beach
FilmAlbert Nobbs
2011 · Sean Casey
FilmWhen Harry Left Hogwarts
2011 · Self
Film50 Greatest Harry Potter Moments
2011 · Arthur Weasley (archive footage)
FilmHarry Potter and the Deathly Hallows: Part 2
2011 · Arthur Weasley
Fern
Fern
2011
Little Crackers
2010 · Father Christmas
FilmHarry Potter and the Deathly Hallows: Part 1
2010 · Arthur Weasley
The Indian Doctor
2010 · Richard Sharpe
FilmSteve Coogan: The Inside Story
2009 · Self
FilmHarry Potter and the Half-Blood Prince
2009 · Arthur Weasley
Being Human
2009 · Regus
Merlin
2008 · The Goblin (voice)
A Room with a View
A Room with a View
2008 · Mr Beebe
Sense and Sensibility
2008 · Sir John Middleton
FilmA Room with a View
2007 · Mr Beebe
FilmStardust
2007 · Billy
FilmHarry Potter and the Order of the Phoenix
2007 · Arthur Weasley
The One Show
2006 · Self
Saxondale
2006 · Deggsy
FilmViva Blackpool
2006 · Tommy Vesty
The World's Strangest UFO Stories
2006 · Self - Narrator (voice)
FilmHarry Potter and the Goblet of Fire
2005 · Arthur Weasley
FilmA Cock and Bull Story
2005 · Ingoldsby
Doctor Who
2005 · Brian Williams
The Rotters' Club
2005 · Sam Chase
Agatha Christie's Marple
2004 · Commander Peters
Carrie & Barry
2004 · Kirk
FilmHarry Potter and the Prisoner of Azkaban
2004 · Arthur Weasley
Mark Williams On The Rails
2004 · Self - Presenter
FilmAgent Cody Banks 2: Destination London
2004 · Inspector Crescent
Hustle
2004 · Dale Ridley
FilmThe Heart of Me
2004 · Man
New Tricks
2004 · David Beaumont
FilmThe Fast Show: The Farewell Tour
2003 · Various
Star
Star
2003 · Mr Fisher
FilmAnita and Me
2002 · The Reverend 'Uncle' Alan
FilmHarry Potter and the Chamber of Secrets
2002 · Arthur Weasley
FilmThe Final Curtain
2002 · Declan Farrell
Industrial Revelations
2002
Shackleton
2002 · Dudley Docker
FilmDick Whittington: The ITV Pantomime
2002 · King Rat
FilmCombat Sheep
2001 · Moose (voice)
FilmSecond Star to the Left
2001 · Duke (voice)
FilmHigh Heels and Low Lifes
2001 · Tremaine
Happiness
2001
FilmExit Wounds
2001 · Cop
Jumpers for Goalposts
Jumpers for Goalposts
2001 · Tommy Stein
Fun at the Funeral Parlour
Fun at the Funeral Parlour
2001
Happy Birthday Shakespeare
FilmHappy Birthday Shakespeare
2000 · Ted
FilmWhatever Happened to Harold Smith?
2000 · Roland Thornton
The Strangerers
2000 · Cadet Flynn
Gormenghast
2000 · Professor Perch
Loose Women
1999 · Self
FilmHunting Venus
1999 · Peter
FilmThe Fast Show Live
1998
FilmTed & Ralph
1998 · Confirmed Bachelor
FilmShakespeare in Love
1998 · Wabash
Comedy Lab
1998 · Mr. Anderson
FilmThe Borrowers
1997 · Exterminator Jeff
Midsomer Murders
1997 · Pat Everett
Film101 Dalmatians
1996 · Horace
The Big Game
FilmThe Big Game
1995 · Tommy Hollis
FilmFever
1994 · Jukebox Man
Harry Enfield and Chums
1994 · Husband on Holiday
The Fast Show
1994 · Various Characters
FilmPrince of Jutland
1994 · Aslak
99-1
1994 · John Samms
The Smell of Reeves and Mortimer
1993
Peak Practice
1993 · Roland Grogan
Chef
1993 · Policeman 2
Bunch Of Five
1992 · Tim
Merlin of the Crystal Cave
1991 · Cerdic
Bottom
1991 · Boris
Kinsey
Kinsey
1991 · Danny
Great Expectations
1989 · Mr. Trabb's Son
KYTV
1989
FilmCoppers
1988
Alexei Sayle's Stuff
1988
FilmTumbledown
1988 · Lumpy
The Storyteller
1988 · Fearnot's Brother
Red Dwarf
1988 · Olaf Petersen
Casualty
1986 · Des Jones
FilmPrivileged
1982 · Wilf
Top of the Pops
1964 · Self - Host
Mark Williams' Big Bangs