Mark Williams
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.
As actor 112
Midsomer Murders
1997
Doctor Who
2005
Top of the Pops
1964
Casualty
1986
Father Brown
2013
The One Show
2006
Agatha Christie's Marple
2004
Harry Potter and the Deathly Hallows: Part 2
2011
Harry Potter and the Goblet of Fire
2005
Harry Potter and the Chamber of Secrets
2002
Loose Women
1999
Harry Potter and the Prisoner of Azkaban
2004
Harry Potter and the Deathly Hallows: Part 1
2010
Harry Potter and the Half-Blood Prince
2009
Merlin
2008
Harry Potter and the Order of the Phoenix
2007
Peak Practice
1993
Hustle
2004
New Tricks
2004
Red Dwarf
1988
The Musketeers
2014
Sister Boniface Mysteries
2022
Comedy Lab
1998
Being Human
2009
The Storyteller
1988
101 Dalmatians
1996
Sense and Sensibility
2008
Stardust
2007
Harry Potter 20th Anniversary: Return to Hogwarts
2022
Bottom
1991
The Fast Show
1994
Early Man
2018
Blandings
2013
Shakespeare in Love
1998
Saxondale
2006
Harry Enfield and Chums
1994
Exit Wounds
2001
Little Crackers
2010
The Borrowers
1997
Shackleton
2002
Here We Go
2022
Fantastic Friends
2022
Carrie & Barry
2004
Industrial Revelations
2002
The Indian Doctor
2010
Gormenghast
2000
99-1
1994
Agent Cody Banks 2: Destination London
2004
Chef
1993
The Smell of Reeves and Mortimer
1993
Fun at the Funeral Parlour
2001
The Rotters' Club
2005
KYTV
1989
Albert Nobbs
2011
When Harry Left Hogwarts
2011
50 Greatest Harry Potter Moments
2011
Alexei Sayle's Stuff
1988
Kinsey
1991
The Strangerers
2000
Red Top
2016
A Room with a View
2008
Harry Potter: A History Of Magic
2017
Great Expectations
1989
A Cock and Bull Story
2005
Happiness
2001
Merlin of the Crystal Cave
1991
Robin and the Hoods
2024
Star
2003
High Heels and Low Lifes
2001
Prince of Jutland
1994
The Look of Love
2013
The Secret Santa Project
2025
Tumbledown
1988
Super Villans
2022
A Room with a View
2007
We're Going on a Bear Hunt
2016
Surprised by Oxford
2023
Steve Coogan: The Inside Story
2009
Anita and Me
2002
Heidi: Queen of the Mountain
2017
Golden Years
2016
Jumpers for Goalposts
2001
Whatever Happened to Harold Smith?
2000
The Heart of Me
2004
The Final Curtain
2002
Fever
1994
The Fast Show Live
1998
Fern
2011
Dick Whittington: The ITV Pantomime
2002
Happy Birthday Shakespeare
2000
Born Naughty?
2015
Dream Hacker
2025
The Effects of Lying
2023
The Fast Show: More Blooming Catchphrases
2020
Mark Williams On The Rails
2004
Privileged
1982
The Storyteller: Fearnot
1988
Ted & Ralph
1998
The World's Strangest UFO Stories
2006
Mark Williams' Big Bangs
The Fast Show: The Farewell Tour
2003
The Dark Channel
Hunting Venus
1999
Lead Heads
Second Star to the Left
2001
Combat Sheep
2001
Viva Blackpool
2006
Frankenstein's Wedding... Live in Leeds
2011
Coppers
1988
Saxondale: On The Road
2006
Suit You Sir! The Inside Leg Of The Fast Show
1999
The Big Game
1995
