Mark Williams

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

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Dream Hacker

2025 ⭐ 6.0

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Surprised by Oxford

2023 ⭐ 6.1

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Harry Potter 20th Anniversary: Return to Hogwarts

2022 ⭐ 7.3

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Early Man

2018 ⭐ 6.1

Career timeline

2025

The Secret Santa Project

Leon · 2025

Dream Hacker

Edgar Wainwright · 2025

⭐ 6.0

2024

Robin and the Hoods

The Mayor · 2024

⭐ 3.0

2023

Surprised by Oxford

Professor Nuttham · 2023

⭐ 6.1

The Effects of Lying

2023

⭐ 3.0

2022

Super Villans

Self · 2022

Harry Potter 20th Anniversary: Return to Hogwarts Notable

Self · 2022

⭐ 7.3

2020

The Fast Show: More Blooming Catchphrases

Self/Various Characters · 2020

2018

Early Man

Barry (voice) · 2018

⭐ 6.1

2017

Heidi: Queen of the Mountain

Henry · 2017

Harry Potter: A History Of Magic Notable

Himself · 2017

⭐ 7.3

2016

We're Going on a Bear Hunt

Dad (voice) · 2016

⭐ 6.8

Golden Years

Phil · 2016

⭐ 6.3

Red Top

Police Commissioner Hamish Pri · 2016

⭐ 5.3

2013

The Look of Love

Follies Director · 2013

⭐ 5.6

2011

Albert Nobbs

Sean Casey · 2011

⭐ 6.3

When Harry Left Hogwarts Notable

Self · 2011

⭐ 7.2

50 Greatest Harry Potter Moments Notable

Arthur Weasley (archive footag · 2011

⭐ 7.4

2010

Harry Potter and the Deathly Hallows: Part 1 Notable

Arthur Weasley · 2010

⭐ 7.7

2009

Steve Coogan: The Inside Story

Self · 2009

⭐ 6.8

Harry Potter and the Half-Blood Prince Notable

Arthur Weasley · 2009

⭐ 7.7

2007

A Room with a View

Mr Beebe · 2007

⭐ 5.4

Stardust Notable

Billy · 2007

⭐ 7.3

Harry Potter and the Order of the Phoenix Notable

Arthur Weasley · 2007

⭐ 7.7

2006

Saxondale: On The Road

Self · 2006

Viva Blackpool Notable

Tommy Vesty · 2006

⭐ 7.5

2005

Harry Potter and the Goblet of Fire Notable

Arthur Weasley · 2005

⭐ 7.8

A Cock and Bull Story

Ingoldsby · 2005

⭐ 6.2

2004

Harry Potter and the Prisoner of Azkaban Notable

Arthur Weasley · 2004

⭐ 8.0

Agent Cody Banks 2: Destination London

Inspector Crescent · 2004

⭐ 5.6

The Heart of Me

Man · 2004

⭐ 6.1

2003

The Fast Show: The Farewell Tour Notable

Various · 2003

⭐ 8.0

2002

Anita and Me

The Reverend 'Uncle' Alan · 2002

⭐ 6.0

Harry Potter and the Chamber of Secrets Notable

Arthur Weasley · 2002

⭐ 7.7

The Final Curtain

Declan Farrell · 2002

⭐ 4.9

2001

Combat Sheep Notable

Moose (voice) · 2001

⭐ 7.0

Second Star to the Left

Duke (voice) · 2001

⭐ 6.8

High Heels and Low Lifes

Tremaine · 2001

⭐ 6.2

2000

Whatever Happened to Harold Smith?

Roland Thornton · 2000

⭐ 6.3

Frequently appears with

Molly Hanson

Professor Jennifer Connel

Marina Sirtis

Charlotte

Glynis Barber

Sue Hamilton

David Yip

Wang Lei

Rose Reid

Caro Drake

Ruairí O'Connor

Kent Weber

Simon Callow

Dr. Sterling

Phyllis Logan

Provost Regina Knight

Full filmography

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The Secret Santa Project

2025

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Dream Hacker

2025 ⭐ 6.0

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Robin and the Hoods

2024 ⭐ 3.0

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Surprised by Oxford

2023 ⭐ 6.1

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The Effects of Lying

2023 ⭐ 3.0

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Super Villans

2022

HD

Harry Potter 20th Anniversary: Return to Hogwarts

2022 ⭐ 7.3

HD

The Fast Show: More Blooming Catchphrases

2020

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Early Man

2018 ⭐ 6.1

HD

Heidi: Queen of the Mountain

2017

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Harry Potter: A History Of Magic

2017 ⭐ 7.3

HD

We're Going on a Bear Hunt

2016 ⭐ 6.8

HD

Golden Years

2016 ⭐ 6.3

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Red Top

2016 ⭐ 5.3

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The Look of Love

2013 ⭐ 5.6

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Albert Nobbs

2011 ⭐ 6.3

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When Harry Left Hogwarts

2011 ⭐ 7.2

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50 Greatest Harry Potter Moments

2011 ⭐ 7.4

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Harry Potter and the Deathly Hallows: Part 2

2011 ⭐ 8.1

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Frankenstein's Wedding... Live in Leeds

2011