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Mark Williams

Mark Williams

Acting

Born: August 22, 1959Bromsgrove, Worcestershire, England, UK

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
Filmography
The Secret Santa Project

The Secret Santa Project

Leon

2025
Dream Hacker

Dream Hacker

Edgar Wainwright

2025
Robin and the Hoods

Robin and the Hoods

The Mayor

2024
Surprised by Oxford

Surprised by Oxford

Professor Nuttham

2023
The Effects of Lying

The Effects of Lying

2023
Super Villans

Super Villans

Self

2022
Harry Potter 20th Anniversary: Return to Hogwarts

Harry Potter 20th Anniversary: Return to Hogwarts

Self

2022
The Fast Show: More Blooming Catchphrases

The Fast Show: More Blooming Catchphrases

Self/Various Characters

2020
Early Man

Early Man

Barry (voice)

2018
Heidi: Queen of the Mountain

Heidi: Queen of the Mountain

Henry

2017
Harry Potter: A History Of Magic

Harry Potter: A History Of Magic

Himself

2017
We're Going on a Bear Hunt

We're Going on a Bear Hunt

Dad (voice)

2016
Golden Years

Golden Years

Phil

2016
Red Top

Red Top

Police Commissioner Hamish Pritchard

2016
The Look of Love

The Look of Love

Follies Director

2013
Albert Nobbs

Albert Nobbs

Sean Casey

2011
When Harry Left Hogwarts

When Harry Left Hogwarts

Self

2011
50 Greatest Harry Potter Moments

50 Greatest Harry Potter Moments

Arthur Weasley (archive footage)

2011
Harry Potter and the Deathly Hallows: Part 2

Harry Potter and the Deathly Hallows: Part 2

Arthur Weasley

2011
Frankenstein's Wedding... Live in Leeds

Frankenstein's Wedding... Live in Leeds

Alphonse Frankenstein

2011
Harry Potter and the Deathly Hallows: Part 1

Harry Potter and the Deathly Hallows: Part 1

Arthur Weasley

2010
Steve Coogan: The Inside Story

Steve Coogan: The Inside Story

Self

2009
Harry Potter and the Half-Blood Prince

Harry Potter and the Half-Blood Prince

Arthur Weasley

2009
A Room with a View

A Room with a View

Mr Beebe

2007
Stardust

Stardust

Billy

2007
Harry Potter and the Order of the Phoenix

Harry Potter and the Order of the Phoenix

Arthur Weasley

2007
Saxondale: On The Road

Saxondale: On The Road

Self

2006
Viva Blackpool

Viva Blackpool

Tommy Vesty

2006
Harry Potter and the Goblet of Fire

Harry Potter and the Goblet of Fire

Arthur Weasley

2005
A Cock and Bull Story

A Cock and Bull Story

Ingoldsby

2005
Harry Potter and the Prisoner of Azkaban

Harry Potter and the Prisoner of Azkaban

Arthur Weasley

2004
Agent Cody Banks 2: Destination London

Agent Cody Banks 2: Destination London

Inspector Crescent

2004
The Heart of Me

The Heart of Me

Man

2004
The Fast Show: The Farewell Tour

The Fast Show: The Farewell Tour

Various

2003
Anita and Me

Anita and Me

The Reverend 'Uncle' Alan

2002
Harry Potter and the Chamber of Secrets

Harry Potter and the Chamber of Secrets

Arthur Weasley

2002
The Final Curtain

The Final Curtain

Declan Farrell

2002
Dick Whittington: The ITV Pantomime

Dick Whittington: The ITV Pantomime

King Rat

2002
Combat Sheep

Combat Sheep

Moose (voice)

2001
Second Star to the Left

Second Star to the Left

Duke (voice)

2001
High Heels and Low Lifes

High Heels and Low Lifes

Tremaine

2001
Exit Wounds

Exit Wounds

Cop

2001

Happy Birthday Shakespeare

Ted

2000
Whatever Happened to Harold Smith?

Whatever Happened to Harold Smith?

Roland Thornton

2000
Suit You Sir! The Inside Leg Of The Fast Show

Suit You Sir! The Inside Leg Of The Fast Show

Self

1999
Hunting Venus

Hunting Venus

Peter

1999
The Fast Show Live

The Fast Show Live

1998
Ted & Ralph

Ted & Ralph

Confirmed Bachelor

1998
Shakespeare in Love

Shakespeare in Love

Wabash

1998
The Borrowers

The Borrowers

Exterminator Jeff

1997
101 Dalmatians

101 Dalmatians

Horace

1996

The Big Game

Tommy Hollis

1995
Fever

Fever

Jukebox Man

1994
Prince of Jutland

Prince of Jutland

Aslak

1994
Dragon Fight

Dragon Fight

Ray

1989
Coppers

Coppers

1988
Tumbledown

Tumbledown

Lumpy

1988
The Storyteller: Fearnot

The Storyteller: Fearnot

Fearnot's Brother

1988
Privileged

Privileged

Wilf

1982