Mark Williams
Acting
112
Acting Credits
Biography
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 ...
Known For
Filmography
Dream Hacker
2025
as Edgar Wainwright
The Secret Santa Project
2025
as Leon
Robin and the Hoods
2024
as The Mayor
The Effects of Lying
2023
Surprised by Oxford
2023
as Professor Nuttham
Harry Potter 20th Anniversary: Return to Hogwarts
2022
as Self
Super Villans
2022
as Self
Sister Boniface Mysteries
2022
as Father Brown
Here We Go
2022
as Frank
Fantastic Friends
2022
as Self
The Dark Channel
2021
as Mabuse
The Fast Show: More Blooming Catchphrases
2020
as Self/Various Characters
Early Man
2018
as Barry (voice)
Heidi: Queen of the Mountain
2017
as Henry
Harry Potter: A History Of Magic
2017
as Himself
Red Top
2016
as Police Commissioner Hamish Pritchard
We're Going on a Bear Hunt
2016
as Dad (voice)
Golden Years
2016
as Phil
Born Naughty?
2015
as Self - Narrator (voice)
The Musketeers
2014
as Pathologist
The Look of Love
2013
as Follies Director
Blandings
2013
as Sebastian Beach
Father Brown
2013
as Father Brown
Harry Potter and the Deathly Hallows: Part 2
2011
as Arthur Weasley
Frankenstein's Wedding... Live in Leeds
2011
as Alphonse Frankenstein
When Harry Left Hogwarts
2011
as Self
Albert Nobbs
2011
as Sean Casey
50 Greatest Harry Potter Moments
2011
as Arthur Weasley (archive footage)
Fern
2011
Harry Potter and the Deathly Hallows: Part 1
2010
as Arthur Weasley
The Indian Doctor
2010
as Richard Sharpe
Little Crackers
2010
as Father Christmas
Harry Potter and the Half-Blood Prince
2009
as Arthur Weasley
Steve Coogan: The Inside Story
2009
as Self
Being Human
2009
as Regus
Sense and Sensibility
2008
as Sir John Middleton
Merlin
2008
as The Goblin (voice)
A Room with a View
2008
as Mr Beebe
Harry Potter and the Order of the Phoenix
2007
as Arthur Weasley
Stardust
2007
as Billy
A Room with a View
2007
as Mr Beebe
Viva Blackpool
2006
as Tommy Vesty
Saxondale: On The Road
2006
as Self
Saxondale
2006
as Deggsy
The World's Strangest UFO Stories
2006
as Self - Narrator (voice)
The One Show
2006
as Self
Harry Potter and the Goblet of Fire
2005
as Arthur Weasley
A Cock and Bull Story
2005
as Ingoldsby
Doctor Who
2005
as Brian Williams
The Rotters' Club
2005
as Sam Chase
Harry Potter and the Prisoner of Azkaban
2004
as Arthur Weasley
Agent Cody Banks 2: Destination London
2004
as Inspector Crescent
The Heart of Me
2004
as Man
Carrie & Barry
2004
as Kirk
New Tricks
2004
as David Beaumont
Hustle
2004
as Dale Ridley
Mark Williams On The Rails
2004
as Self - Presenter
Agatha Christie's Marple
2004
as Commander Peters
The Fast Show: The Farewell Tour
2003
as Various
Star
2003
as Mr Fisher
Anita and Me
2002
as The Reverend 'Uncle' Alan
The Final Curtain
2002
as Declan Farrell
Harry Potter and the Chamber of Secrets
2002
as Arthur Weasley
Dick Whittington: The ITV Pantomime
2002
as King Rat
Industrial Revelations
2002
Shackleton
2002
as Dudley Docker
High Heels and Low Lifes
2001
as Tremaine
Exit Wounds
2001
as Cop
Second Star to the Left
2001
as Duke (voice)
Combat Sheep
2001
as Moose (voice)
Jumpers for Goalposts
2001
as Tommy Stein
Fun at the Funeral Parlour
2001
Happiness
2001
Whatever Happened to Harold Smith?
2000
as Roland Thornton
Happy Birthday Shakespeare
2000
as Ted
The Strangerers
2000
as Cadet Flynn
Gormenghast
2000
as Professor Perch
Hunting Venus
1999
as Peter
Suit You Sir! The Inside Leg Of The Fast Show
1999
as Self
The Fast Show: You Ain’t Seen These, Right?
1999
Loose Women
1999
as Self
Shakespeare in Love
1998
as Wabash
The Fast Show Live
1998
Ted & Ralph
1998
as Confirmed Bachelor
Comedy Lab
1998
as Mr. Anderson
The Borrowers
1997
as Exterminator Jeff
Midsomer Murders
1997
as Pat Everett
101 Dalmatians
1996
as Horace
The Big Game
1995
as Tommy Hollis
Prince of Jutland
1994
as Aslak
Fever
1994
as Jukebox Man
The Fast Show
1994
as Various Characters
Harry Enfield and Chums
1994
as Husband on Holiday
99-1
1994
as John Samms
The Smell of Reeves and Mortimer
1993
Chef
1993
as Policeman 2
Peak Practice
1993
as Roland Grogan
Bunch Of Five
1992
as Tim
Bottom
1991
as Boris
Merlin of the Crystal Cave
1991
as Cerdic
Kinsey
1991
as Danny
KYTV
1989
Great Expectations
1989
as Mr. Trabb's Son
Coppers
1988
Tumbledown
1988
as Lumpy
The Storyteller: Fearnot
1988
as Fearnot's Brother
Alexei Sayle's Stuff
1988
Red Dwarf
1988
as Olaf Petersen
The Storyteller
1988
as Fearnot's Brother
Casualty
1986
as Des Jones
Privileged
1982
as Wilf
Top of the Pops
1964
as Self - Host