
Mark Williams
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.
17 TV shows
TV Shows

Midsomer Murders
ITV1

Doctor Who
BBC One

Agatha Christie's Marple
ITV1

Top of the Pops
BBC One

Merlin
BBC One

Casualty
BBC One

Father Brown
BBC One

Peak Practice
ITV1

Hustle
BBC One

New Tricks
BBC One

Red Dwarf
BBC Two

The Storyteller
NBC

The Musketeers
BBC America

Sister Boniface Mysteries
U&Drama

Being Human
BBC Three

Loose Women
ITV1

Sense and Sensibility
BBC One
Other Credits
The Fast Show, Bottom, Alexei Sayle's Stuff, The Smell of Reeves and Mortimer, Carrie and Barry, The Strangerers, Blandings, Born Naughty?, The Rotters' Club, Mark Williams' Big Bangs, Industrial Revelations, Fern, The Indian Doctor, KYTV, 99-1, Chef, Jumpers for Goalposts, Saxondale, Fun at the Funeral Parlour, Happiness, Little Crackers, Comedy Lab, Mark Williams On The Rails, Here We Go, The World's Strangest UFO Stories, The One Show, Harry Enfield and Chums, Shackleton, Great Expectations, Merlin of the Crystal Cave, Fantastic Friends, Star, Gormenghast, A Room with a View