Mark Williams
Known for: Acting
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.
Filmography
Series
Doctor Who
Brian Williams
2005
Series
Midsomer Murders
Pat Everett
1997
Series
Top of the Pops
Self - Host
1964
Series
Casualty
Des Jones
1986
Series
The One Show
Self
2006
Series
Loose Women
Self
1999
Series
Father Brown
Father Brown
2013
Series
Red Dwarf
Olaf Petersen
1988
Series
Merlin
The Goblin (voice)
2008
Series
Peak Practice
Roland Grogan
1993
Film
Harry Potter and the Chamber of Secrets
Arthur Weasley
2002
Film
Harry Potter and the Goblet of Fire
Arthur Weasley
2005
Film
Harry Potter and the Prisoner of Azkaban
Arthur Weasley
2004
Series
Agatha Christie's Marple
Commander Peters
2004
Series
New Tricks
David Beaumont
2004
Film
Harry Potter and the Deathly Hallows: Part 2
Arthur Weasley
2011
Film
Harry Potter and the Half-Blood Prince
Arthur Weasley
2009
Film
Harry Potter and the Deathly Hallows: Part 1
Arthur Weasley
2010
Film
Harry Potter and the Order of the Phoenix
Arthur Weasley
2007
Series
Hustle
Dale Ridley
2004
Series
Sister Boniface Mysteries
Father Brown
2022
Series
Being Human
Regus
2009
Series
The Musketeers
Pathologist
2014
Series
Comedy Lab
Mr. Anderson
1998
Film
101 Dalmatians
Horace
1996
Series
The Fast Show
Various Characters
1994
Film
Harry Potter 20th Anniversary: Return to Hogwarts
Self
2022
Film
Stardust
Billy
2007
Series
Bottom
Boris
1991
Series
Sense and Sensibility
Sir John Middleton
2008
Series
The Storyteller
Fearnot's Brother
1988
Film
Shakespeare in Love
Wabash
1998
Series
Shackleton
Dudley Docker
2002
Series
Here We Go
Frank
2022
Series
Little Crackers
Father Christmas
2010
Series
Harry Enfield and Chums
Husband on Holiday
1994
Series
The Indian Doctor
Richard Sharpe
2010
Series
Chef
Policeman 2
1993
Series
Blandings
Sebastian Beach
2013
Series
Saxondale
Deggsy
2006
Series
The Smell of Reeves and Mortimer
1993
Series
Gormenghast
Professor Perch
2000
Film
Exit Wounds
Cop
2001
Film
Agent Cody Banks 2: Destination London
Inspector Crescent
2004
Series
Alexei Sayle's Stuff
1988
Series
Carrie & Barry
Kirk
2004
Film
Early Man
Barry (voice)
2018
Series
Happiness
2001
Series
The Rotters' Club
Sam Chase
2005
Film
The Borrowers
Exterminator Jeff
1997
Series
Great Expectations
Mr. Trabb's Son
1989
Series
99-1
John Samms
1994
Series
Fantastic Friends
Self
2022
Film
Albert Nobbs
Sean Casey
2011
Series
KYTV
1989
Fun at the Funeral Parlour
2001
Kinsey
Danny
1991
Series
The Strangerers
Cadet Flynn
2000
Series
Industrial Revelations
2002
Series
Merlin of the Crystal Cave
Cerdic
1991
Film
A Cock and Bull Story
Ingoldsby
2005
Film
The Look of Love
Follies Director
2013
Star
Mr Fisher
2003
Film
High Heels and Low Lifes
Tremaine
2001
Series
Mark Williams On The Rails
Self - Presenter
2004
A Room with a View
Mr Beebe
2008
Film
50 Greatest Harry Potter Moments
Arthur Weasley (archive footage)
2011
Series
Bunch Of Five
Tim
1992
Film
Robin and the Hoods
The Mayor
2024
Film
When Harry Left Hogwarts
Self
2011
Film
Harry Potter: A History Of Magic
Himself
2017
Film
Prince of Jutland
Aslak
1994
Film
The Secret Santa Project
Leon
2025
Film
Golden Years
Phil
2016
Film
We're Going on a Bear Hunt
Dad (voice)
2016
Film
The Heart of Me
Man
2004
Film
Anita and Me
The Reverend 'Uncle' Alan
2002
Film
Whatever Happened to Harold Smith?
Roland Thornton
2000
Film
A Room with a View
Mr Beebe
2007
Film
Hunting Venus
Peter
1999
Series
The World's Strangest UFO Stories
Self - Narrator (voice)
2006
Film
The Final Curtain
Declan Farrell
2002
Film
Surprised by Oxford
Professor Nuttham
2023
Jumpers for Goalposts
Tommy Stein
2001
Film
Frankenstein's Wedding... Live in Leeds
Alphonse Frankenstein
2011
Film
Dream Hacker
Edgar Wainwright
2025
Film
The Fast Show: The Farewell Tour
Various
2003
Film
Red Top
Police Commissioner Hamish Pritchard
2016
Film
Tumbledown
Lumpy
1988
Film
Suit You Sir! The Inside Leg Of The Fast Show
Self
1999
Film
Heidi: Queen of the Mountain
Henry
2017
Film
Steve Coogan: The Inside Story
Self
2009
Film
The Fast Show: You Ain’t Seen These, Right?
1999
Film
Viva Blackpool
Tommy Vesty
2006
Film
The Fast Show: More Blooming Catchphrases
Self/Various Characters
2020
Film
Second Star to the Left
Duke (voice)
2001
Film
The Effects of Lying
2023
Film
The Fast Show Live
1998
Film
Dick Whittington: The ITV Pantomime
King Rat
2002
Fern
2011
Born Naughty?
Self - Narrator (voice)
2015
Series
Mark Williams' Big Bangs
Film
Combat Sheep
Moose (voice)
2001
Film
The Storyteller: Fearnot
Fearnot's Brother
1988
The Big Game
Tommy Hollis
1995
Film
Saxondale: On The Road
Self
2006
Film
Coppers
1988
Lead Heads
Film
Ted & Ralph
Confirmed Bachelor
1998
Film
Fever
Jukebox Man
1994
Happy Birthday Shakespeare
Ted
2000
Film
Super Villans
Self
2022
Film
The Dark Channel
Mabuse
2021
Film
Privileged
Wilf
1982
Film
The Dudley Bug
Roderick the Palaeontologist