Mark Williams (born 22 August 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 ...
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Harry Potter and the Goblet of Fire
As Arthur Weasley
Harry Potter and the Order of the Phoenix
As Arthur Weasley
Harry Potter and the Half-Blood Prince
As Arthur Weasley
High Heels and Low Lifes
As Tremaine
The Borrowers
As Exterminator Jeff
Harry Potter and the Deathly Hallows: Part 1
As Arthur Weasley
Harry Potter and the Deathly Hallows: Part 2
As Arthur Weasley
Dragon Fight
As Ray
Harry Potter 20th Anniversary: Return to Hogwarts
As Self
Exit Wounds
As Cop
Heidi: Queen of the Mountain
As Henry
Frankenstein's Wedding... Live in Leeds
As Alphonse Frankenstein
The Effects of Lying
Super Villans
As Self
Viva Blackpool
As Tommy Vesty
Surprised by Oxford
As Professor Nuttham
Dream Hacker
As Edgar Wainwright
Coppers
A Cock and Bull Story
As Ingoldsby
Smoke Out
As Tommy
Stardust
As Billy
Steve Coogan: The Inside Story
As Self
Anita and Me
As The Reverend 'Uncle' Alan
When Harry Left Hogwarts
As Self
The Final Curtain
As Declan Farrell
Albert Nobbs
As Sean Casey
Robin and the Hoods
As The Mayor
Hunting Venus
As Peter
Second Star to the Left
As Duke (voice)
A Room with a View
As Mr Beebe
Red Top
As Police Commissioner Hamish Pritchard
Combat Sheep
As Moose (voice)
We're Going on a Bear Hunt
As Dad (voice)
Whatever Happened to Harold Smith?
As Roland Thornton
Tumbledown
As Lumpy
Early Man
As Barry (voice)
Harry Potter and the Prisoner of Azkaban
As Arthur Weasley
Harry Potter and the Chamber of Secrets
As Arthur Weasley
Royal Deceit
As Aslak
Fever
As Jukebox Man
50 Greatest Harry Potter Moments
As Arthur Weasley (archive footage)
Harry Potter: A History Of Magic
As Himself
Shakespeare in Love
As Wabash
101 Dalmatians
As Horace
Golden Years
As Phil
Agent Cody Banks 2: Destination London
As Inspector Crescent
Privileged
As Wilf
The Fast Show Live
Suit You Sir! The Inside Leg Of The Fast Show
As Himself
The Look of Love
As Follies Director
The Big Game
As Tommy Hollis
Happy Birthday Shakespeare
As Ted
The Fast Show: The Farewell Tour
As Various
Dick Whittington: The ITV Pantomime
As King Rat
Lead Heads
The Fast Show
As Various Characters
Bottom
As Boris
Alexei Sayle's Stuff
Midsomer Murders
As Pat Everett
The Smell of Reeves and Mortimer
Gormenghast
Carrie and Barry
The Strangerers
As Cadet Flynn
Blandings
As Sebastian Beach
Born Naughty?
As Self - Narrator (voice)
The Rotters' Club
As Sam Williams
Mark Williams' Big Bangs
Industrial Revelations
Doctor Who
As Brian Williams
Fern
The Indian Doctor
As Richard Sharpe
Father Brown
As Father Brown
New Tricks
As David Beaumont
KYTV
99-1
As John Samms
Chef
As Policeman 2
Hustle
As Dale Ridley
Peak Practice
As Roland Grogan
The Musketeers
As Pathologist
Jumpers for Goalposts
As Tommy Stein
Saxondale
As Deggsy
Fun at the Funeral Parlour
Casualty
As Des Jones
Happiness
Red Dwarf
As Olaf Petersen
Sister Boniface Mysteries
As Father Brown
Little Crackers
As Father Christmas
Sense and Sensibility
As Sir John Middleton
Shackleton
As Dudley Docker
Comedy Lab
As Mr. Anderson
Mark Williams On The Rails
As Self - Presenter
Agatha Christie's Marple
As Commander Peters
Merlin
As The Goblin (voice)
Here We Go
As Frank
The World's Strangest UFO Stories
As Self - Narrator (voice)
Loose Women
As Self
Being Human
As Regus
Top of the Pops
As Self - Host