Mark Williams
Department: Acting
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 the title character in the long-running BBC series loosely based on the Father Brown short stories by G. K. Chesterton.
Known For
Harry Potter and the Goblet of Fire
2005
Harry Potter and the Order of the Phoenix
2007
Harry Potter and the Half-Blood Prince
2009
High Heels and Low Lifes
2001
The Borrowers
1997
Harry Potter and the Deathly Hallows: Part 1
2010
Harry Potter and the Deathly Hallows: Part 2
2011
Dragon Fight
1989
Harry Potter 20th Anniversary: Return to Hogwarts
2022
Exit Wounds
2001
Heidi: Queen of the Mountain
2017
Frankenstein's Wedding... Live in Leeds
2011
The Effects of Lying
2023
Super Villans
2022
Viva Blackpool
2006
Surprised by Oxford
2023
Dream Hacker
2025
Coppers
1988
A Cock and Bull Story
2005
Stardust
2007
Steve Coogan: The Inside Story
2009
Anita and Me
2002
When Harry Left Hogwarts
2011
The Final Curtain
2002
Albert Nobbs
2011
Robin and the Hoods
2024
Hunting Venus
1999
Second Star to the Left
2001
A Room with a View
2007
Red Top
2016
Combat Sheep
2001
We're Going on a Bear Hunt
2016
Whatever Happened to Harold Smith?
2000
Tumbledown
1988
Early Man
2018
Harry Potter and the Prisoner of Azkaban
2004
Harry Potter and the Chamber of Secrets
2002
Prince of Jutland
1994
Fever
1994
50 Greatest Harry Potter Moments
2011
Harry Potter: A History Of Magic
2017
Shakespeare in Love
1998
101 Dalmatians
1996
Golden Years
2016
Agent Cody Banks 2: Destination London
2004
Privileged
1982
The Fast Show Live
1998
Suit You Sir! The Inside Leg Of The Fast Show
1999
The Look of Love
2013
The Big Game
1995
Happy Birthday Shakespeare
2000
The Fast Show: The Farewell Tour
2003
Dick Whittington: The ITV Pantomime
2002
Lead Heads
—
The Dark Channel
—
The Heart of Me
2004
Saxondale: On The Road
2006
The Secret Santa Project
2025
The Storyteller: Fearnot
1988
Ted & Ralph
1998
The Fast Show: More Blooming Catchphrases
2020
The Fast Show
1994
Bottom
1991
Alexei Sayle's Stuff
1988
Midsomer Murders
1997
The Smell of Reeves and Mortimer
1993
Carrie and Barry
2004
The Strangerers
2000
Blandings
2013
Born Naughty?
2015
The Rotters' Club
2005
Mark Williams' Big Bangs
—
Industrial Revelations
2002
Doctor Who
2005
Fern
2011
The Indian Doctor
2010
Father Brown
2013
New Tricks
2004
KYTV
1989
99-1
1994
Chef
1993
Hustle
2004
Peak Practice
1993
The Musketeers
2014
Jumpers for Goalposts
2001
Saxondale
2006
Fun at the Funeral Parlour
2001
Casualty
1986
Happiness
2001
Red Dwarf
1988
Sister Boniface Mysteries
2022
Little Crackers
2010
Sense and Sensibility
2008
Comedy Lab
1998
Mark Williams On The Rails
2004
Agatha Christie's Marple
2004
Merlin
2008
Here We Go
2022
The World's Strangest UFO Stories
2006
Loose Women
1999
Being Human
2009
Top of the Pops
1964
The One Show
2006
Harry Enfield and Chums
1994
Shackleton
2002
The Storyteller
1988
Great Expectations
1989
Merlin of the Crystal Cave
1991
Fantastic Friends
2022
Star
2003
Gormenghast
2000
A Room with a View
2008