Mark Williams
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.
TV Shows(51)
Fantastic Friends
Self
2022
Here We Go
Frank
2022
Sister Boniface Mysteries
Father Brown
2022
Born Naughty?
Self - Narrator (voice)
2015
The Musketeers
Pathologist
2014
Father Brown
Father Brown
2013
Blandings
Sebastian Beach
2013
Fern
2011
Little Crackers
Father Christmas
2010
The Indian Doctor
Richard Sharpe
2010
Being Human
Regus
2009
Merlin
The Goblin (voice)
2008
A Room with a View
Mr Beebe
2008
Sense and Sensibility
Sir John Middleton
2008
The One Show
Self
2006
Saxondale
Deggsy
2006
The World's Strangest UFO Stories
Self - Narrator (voice)
2006
Doctor Who
Brian Williams
2005
The Rotters' Club
Sam Williams
2005
Agatha Christie's Marple
Commander Peters
2004
Carrie and Barry
Kirk
2004
Mark Williams On The Rails
Self - Presenter
2004
Hustle
Dale Ridley
2004
New Tricks
David Beaumont
2004
Star
Mr Fisher
2003
Industrial Revelations
2002
Shackleton
Dudley Docker
2002
Happiness
2001
Jumpers for Goalposts
Tommy Stein
2001
Fun at the Funeral Parlour
2001
The Strangerers
Cadet Flynn
2000
Gormenghast
Professor Perch
2000
Loose Women
Self
1999
Comedy Lab
Mr. Anderson
1998
Midsomer Murders
Pat Everett
1997
Harry Enfield and Chums
Husband on Holiday
1994
The Fast Show
Various Characters
1994
99-1
John Samms
1994
The Smell of Reeves and Mortimer
1993
Peak Practice
Roland Grogan
1993
Chef
Policeman 2
1993
Merlin of the Crystal Cave
Cerdic
1991
Bottom
Boris
1991
Great Expectations
Mr. Trabb's Son
1989
KYTV
1989
Alexei Sayle's Stuff
1988
The Storyteller
Fearnot's Brother
1988
Red Dwarf
Olaf Petersen
1988
Casualty
Des Jones
1986
Top of the Pops
Self - Host
1964
Mark Williams' Big Bangs
Movies(61)
The Secret Santa Project
Leon
2025
Dream Hacker
Edgar Wainwright
2025
Robin and the Hoods
The Mayor
2024
Surprised by Oxford
Professor Nuttham
2023
The Effects of Lying
2023
Super Villans
Self
2022
Harry Potter 20th Anniversary: Return to Hogwarts
Self
2022
The Fast Show: More Blooming Catchphrases
Self/Various Characters
2020
Early Man
Barry (voice)
2018
Heidi: Queen of the Mountain
Henry
2017
Harry Potter: A History Of Magic
Himself
2017
We're Going on a Bear Hunt
Dad (voice)
2016
Golden Years
Phil
2016
Red Top
Police Commissioner Hamish Pritchard
2016
The Look of Love
Follies Director
2013
Albert Nobbs
Sean Casey
2011
When Harry Left Hogwarts
Self
2011
50 Greatest Harry Potter Moments
Arthur Weasley (archive footage)
2011
Harry Potter and the Deathly Hallows: Part 2
Arthur Weasley
2011
Frankenstein's Wedding... Live in Leeds
Alphonse Frankenstein
2011
Harry Potter and the Deathly Hallows: Part 1
Arthur Weasley
2010
Steve Coogan: The Inside Story
Self
2009
Harry Potter and the Half-Blood Prince
Arthur Weasley
2009
A Room with a View
Mr Beebe
2007
Stardust
Billy
2007
Harry Potter and the Order of the Phoenix
Arthur Weasley
2007
Saxondale: On The Road
Self
2006
Viva Blackpool
Tommy Vesty
2006
Harry Potter and the Goblet of Fire
Arthur Weasley
2005
A Cock and Bull Story
Ingoldsby
2005
Harry Potter and the Prisoner of Azkaban
Arthur Weasley
2004
Agent Cody Banks 2: Destination London
Inspector Crescent
2004
The Heart of Me
Man
2004
The Fast Show: The Farewell Tour
Various
2003
Anita and Me
The Reverend 'Uncle' Alan
2002
Harry Potter and the Chamber of Secrets
Arthur Weasley
2002
The Final Curtain
Declan Farrell
2002
Dick Whittington: The ITV Pantomime
King Rat
2002
Combat Sheep
Moose (voice)
2001
Second Star to the Left
Duke (voice)
2001
High Heels and Low Lifes
Tremaine
2001
Exit Wounds
Cop
2001
Happy Birthday Shakespeare
Ted
2000
Whatever Happened to Harold Smith?
Roland Thornton
2000
Suit You Sir! The Inside Leg Of The Fast Show
Self
1999
Hunting Venus
Peter
1999
The Fast Show Live
1998
Ted & Ralph
Confirmed Bachelor
1998
Shakespeare in Love
Wabash
1998
The Borrowers
Exterminator Jeff
1997
101 Dalmatians
Horace
1996
The Big Game
Tommy Hollis
1995
Fever
Jukebox Man
1994
Prince of Jutland
Aslak
1994
Dragon Fight
Ray
1989
Coppers
1988
Tumbledown
Lumpy
1988
The Storyteller: Fearnot
Fearnot's Brother
1988
Privileged
Wilf
1982
Lead Heads
The Dark Channel
Mabuse