Actor profile

Mark Williams

22nd August 1959 Bromsgrove, Worcestershire, England, UK Acting

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.

61 Movies 51 TV Shows 112 Credits

Filmography

Movies & TV Shows

The Secret Santa Project poster

The Secret Santa Project 17th November 2025 as Leon

Dream Hacker poster

Dream Hacker 10th June 2025 as Edgar Wainwright

Robin and the Hoods poster

Robin and the Hoods 17th October 2024 as The Mayor

Surprised by Oxford poster

Surprised by Oxford 27th September 2023 as Professor Nuttham

The Effects of Lying poster

The Effects of Lying 6th July 2023

Super Villans poster

Super Villans 18th May 2022 as Self

Harry Potter 20th Anniversary: Return to Hogwarts poster

Harry Potter 20th Anniversary: Return to Hogwarts 1st January 2022 as Self

The Fast Show: More Blooming Catchphrases poster

The Fast Show: More Blooming Catchphrases 30th August 2020 as Self/Various Characters

Early Man poster

Early Man 26th January 2018 as Barry (voice)

Heidi: Queen of the Mountain poster

Heidi: Queen of the Mountain 1st December 2017 as Henry

Harry Potter: A History Of Magic poster

Harry Potter: A History Of Magic 28th October 2017 as Himself

We're Going on a Bear Hunt poster

We're Going on a Bear Hunt 24th December 2016 as Dad (voice)

Golden Years poster

Golden Years 29th April 2016 as Phil

Red Top poster

Red Top 20th January 2016 as Police Commissioner Hamish Pritchard

The Look of Love poster

The Look of Love 26th April 2013 as Follies Director

Albert Nobbs poster

Albert Nobbs 21st December 2011 as Sean Casey

When Harry Left Hogwarts poster

When Harry Left Hogwarts 11th November 2011 as Self

50 Greatest Harry Potter Moments poster

50 Greatest Harry Potter Moments 27th July 2011 as Arthur Weasley (archive footage)

Harry Potter and the Deathly Hallows: Part 2 poster

Harry Potter and the Deathly Hallows: Part 2 12th July 2011 as Arthur Weasley

Frankenstein's Wedding... Live in Leeds poster

Frankenstein's Wedding... Live in Leeds 19th March 2011 as Alphonse Frankenstein

Harry Potter and the Deathly Hallows: Part 1 poster

Harry Potter and the Deathly Hallows: Part 1 17th November 2010 as Arthur Weasley

Steve Coogan: The Inside Story poster

Steve Coogan: The Inside Story 27th December 2009 as Self

Harry Potter and the Half-Blood Prince poster

Harry Potter and the Half-Blood Prince 15th July 2009 as Arthur Weasley

A Room with a View poster

A Room with a View 4th November 2007 as Mr Beebe

Stardust poster

Stardust 10th August 2007 as Billy

Harry Potter and the Order of the Phoenix poster

Harry Potter and the Order of the Phoenix 8th July 2007 as Arthur Weasley

Saxondale: On The Road poster

Saxondale: On The Road 1st September 2006 as Self

Viva Blackpool poster

Viva Blackpool 10th June 2006 as Tommy Vesty

Harry Potter and the Goblet of Fire poster

Harry Potter and the Goblet of Fire 16th November 2005 as Arthur Weasley

A Cock and Bull Story poster

A Cock and Bull Story 17th July 2005 as Ingoldsby

Harry Potter and the Prisoner of Azkaban poster

Harry Potter and the Prisoner of Azkaban 31st May 2004 as Arthur Weasley

Agent Cody Banks 2: Destination London poster

Agent Cody Banks 2: Destination London 12th March 2004 as Inspector Crescent

The Heart of Me poster

The Heart of Me 10th February 2004 as Man

The Fast Show: The Farewell Tour poster

The Fast Show: The Farewell Tour 24th November 2003 as Various

Anita and Me poster

Anita and Me 22nd November 2002 as The Reverend 'Uncle' Alan

Harry Potter and the Chamber of Secrets poster

Harry Potter and the Chamber of Secrets 13th November 2002 as Arthur Weasley

The Final Curtain poster

The Final Curtain 12th October 2002 as Declan Farrell

Dick Whittington: The ITV Pantomime poster

Dick Whittington: The ITV Pantomime 1st January 2002 as King Rat

Combat Sheep poster

Combat Sheep 30th December 2001 as Moose (voice)

Second Star to the Left poster

Second Star to the Left 24th December 2001 as Duke (voice)

High Heels and Low Lifes poster

High Heels and Low Lifes 16th July 2001 as Tremaine

Exit Wounds poster

Exit Wounds 16th March 2001 as Cop

Happy Birthday Shakespeare 23rd April 2000 as Ted

Whatever Happened to Harold Smith? poster

Whatever Happened to Harold Smith? 10th March 2000 as Roland Thornton

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

Suit You Sir! The Inside Leg Of The Fast Show 11th September 1999 as Self

Hunting Venus poster

Hunting Venus 30th March 1999 as Peter

The Fast Show Live poster

The Fast Show Live 28th December 1998

Ted & Ralph poster

Ted & Ralph 26th December 1998 as Confirmed Bachelor

Shakespeare in Love poster

Shakespeare in Love 11th December 1998 as Wabash

The Borrowers poster

The Borrowers 5th December 1997 as Exterminator Jeff

101 Dalmatians poster

101 Dalmatians 27th November 1996 as Horace

The Big Game 28th June 1995 as Tommy Hollis

Fever poster

Fever 31st December 1994 as Jukebox Man

Prince of Jutland poster

Prince of Jutland 23rd February 1994 as Aslak

Dragon Fight poster

Dragon Fight 1st September 1989 as Ray

Coppers poster

Coppers 16th October 1988

Tumbledown poster

Tumbledown 29th May 1988 as Lumpy

The Storyteller: Fearnot poster

The Storyteller: Fearnot 22nd May 1988 as Fearnot's Brother

Privileged poster

Privileged 1st September 1982 as Wilf

Lead Heads

The Dark Channel poster

The Dark Channel as Mabuse

Fantastic Friends poster

Fantastic Friends 17th June 2022 as Self

Here We Go poster

Here We Go 29th April 2022 as Frank

Sister Boniface Mysteries poster

Sister Boniface Mysteries 11th March 2022 as Father Brown

Born Naughty? 14th May 2015 as Self - Narrator (voice)

The Musketeers poster

The Musketeers 19th January 2014 as Pathologist

Father Brown poster

Father Brown 14th January 2013 as Father Brown

Blandings poster

Blandings 13th January 2013 as Sebastian Beach

Fern 28th March 2011

Little Crackers poster

Little Crackers 19th December 2010 as Father Christmas

The Indian Doctor poster

The Indian Doctor 15th November 2010 as Richard Sharpe

Being Human poster

Being Human 25th January 2009 as Regus

Merlin poster

Merlin 20th September 2008 as The Goblin (voice)

A Room with a View 6th April 2008 as Mr Beebe

Sense and Sensibility poster

Sense and Sensibility 1st January 2008 as Sir John Middleton

The One Show poster

The One Show 14th August 2006 as Self

Saxondale poster

Saxondale 19th June 2006 as Deggsy

The World's Strangest UFO Stories poster

The World's Strangest UFO Stories 23rd February 2006 as Self - Narrator (voice)

Doctor Who poster

Doctor Who 26th March 2005 as Brian Williams

The Rotters' Club poster

The Rotters' Club 26th January 2005 as Sam Williams

Agatha Christie's Marple poster

Agatha Christie's Marple 12th December 2004 as Commander Peters

Carrie and Barry 3rd September 2004 as Kirk

Mark Williams On The Rails poster

Mark Williams On The Rails 1st April 2004 as Self - Presenter

Hustle poster

Hustle 24th February 2004 as Dale Ridley

New Tricks poster

New Tricks 1st January 2004 as David Beaumont

Star 18th September 2003 as Mr Fisher

Industrial Revelations poster

Industrial Revelations 10th January 2002

Shackleton poster

Shackleton 2nd January 2002 as Dudley Docker

Happiness poster

Happiness 20th March 2001

Jumpers for Goalposts 5th March 2001 as Tommy Stein

Fun at the Funeral Parlour 1st January 2001

The Strangerers poster

The Strangerers 15th February 2000 as Cadet Flynn

Gormenghast poster

Gormenghast 17th January 2000 as Professor Perch

Loose Women poster

Loose Women 6th September 1999 as Self

Comedy Lab poster

Comedy Lab 1st November 1998 as Mr. Anderson

Midsomer Murders poster

Midsomer Murders 23rd March 1997 as Pat Everett

Harry Enfield and Chums poster

Harry Enfield and Chums 4th November 1994 as Husband on Holiday

The Fast Show poster

The Fast Show 27th September 1994 as Various Characters

99-1 poster

99-1 5th January 1994 as John Samms

The Smell of Reeves and Mortimer poster

The Smell of Reeves and Mortimer 21st September 1993

Peak Practice poster

Peak Practice 10th May 1993 as Roland Grogan

Chef poster

Chef 28th January 1993 as Policeman 2

Merlin of the Crystal Cave poster

Merlin of the Crystal Cave 17th November 1991 as Cerdic

Bottom poster

Bottom 17th September 1991 as Boris

Great Expectations poster

Great Expectations 9th July 1989 as Mr. Trabb's Son

KYTV poster

KYTV 1st May 1989

Alexei Sayle's Stuff poster

Alexei Sayle's Stuff 13th October 1988

The Storyteller poster

The Storyteller 15th May 1988 as Fearnot's Brother

Red Dwarf poster

Red Dwarf 15th February 1988 as Olaf Petersen

Casualty poster

Casualty 6th September 1986 as Des Jones

Top of the Pops poster

Top of the Pops 1st January 1964 as Self - Host

Mark Williams' Big Bangs poster

Mark Williams' Big Bangs