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.

Mark Williams

Acting Born August 22, 1959 Bromsgrove, 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

Midsomer Murders

Pat Everett

Doctor Who

Brian Williams

Top of the Pops

Self - Host

The One Show

Self

Casualty

Des Jones

Father Brown

Father Brown

Loose Women

Self

Peak Practice

Roland Grogan

Harry Potter and the Prisoner of Azkaban

Arthur Weasley

Merlin

The Goblin (voice)

Harry Potter and the Chamber of Secrets

Arthur Weasley

Harry Potter and the Goblet of Fire

Arthur Weasley