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.
Movies
Harry Potter and the Half-Blood Prince
2009
Harry Potter and the Chamber of Secrets
2002
Harry Potter and the Goblet of Fire
2005
Harry Potter and the Prisoner of Azkaban
2004
Harry Potter and the Order of the Phoenix
2007
Harry Potter and the Deathly Hallows: Part 1
2010
Harry Potter and the Deathly Hallows: Part 2
2011
The Secret Santa Project
2025
The Heart of Me
2004
101 Dalmatians
1996
Second Star to the Left
2001
Harry Potter 20th Anniversary: Return to Hogwarts
2022
Stardust
2007
Shakespeare in Love
1998
Hunting Venus
1999
The Look of Love
2013
Dragon Fight
1989
Exit Wounds
2001
50 Greatest Harry Potter Moments
2011
Viva Blackpool
2006
TV Shows
Midsomer Murders
1997
Doctor Who
2005
Father Brown
2013
Agatha Christie's Marple
2004
Top of the Pops
1964
The One Show
2006
Merlin
2008
Casualty
1986
Peak Practice
1993
Red Dwarf
1988
Hustle
2004
Sister Boniface Mysteries
2022
New Tricks
2004
Loose Women
1999
The Musketeers
2014
Being Human
2009
The Storyteller
1988
Sense and Sensibility
2008
The Fast Show
1994
Bottom
1991