Mark Williams (born 22 August 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 plays as Father Brown in Father Brown.
Mark Williams is the top #1 member of the cast and appears in 105 episodes.

Sorcha Cusack plays as Mrs Bridgette McCarthy in Father Brown.
Sorcha Cusack is the top #2 member of the cast and appears in 100 episodes.

John Burton plays as Sergeant Goodfellow in Father Brown.
John Burton is the top #3 member of the cast and appears in 85 episodes.

From Wikipedia, the free encyclopedia. John Light (born 30 September 1974) is an English cinema, television and theatre actor. Description above from the Wikipedia article John Ligh, licensed under CC-BY-SA, full list of contributors on Wikipedia.

John Light plays as M. Hercule Flambeau in Father Brown.
John Light is the top #4 member of the cast and appears in 70 episodes.

Jack Deam (born Ian Deam; 29 June 1972) is an English actor. He used his grandfather's name for his stage name. His most notable performance is of the pyromaniac Marty Fisher, who has Tourette syndrome, in Channel 4's comedy drama series Shameless.

Jack Deam plays as Inspector Mallory in Father Brown.
Jack Deam is the top #5 member of the cast and appears in 65 episodes.

Emer Gwynne Morganna Kenny (born 10 October 1989) is a British actress and screenwriter.

Emer Kenny plays as Penelope "Bunty" Windermere in Father Brown.
Emer Kenny is the top #6 member of the cast and appears in 45 episodes.

Alex Price is a British actor who has appeared in various television programmes including Being Human, Merlin and Doctor Who. He starred in feature-length films, such as A Horse with No Name, and in a variety of short films. Wikipedia

Alex Price plays as Sid Carter in Father Brown.
Alex Price is the top #7 member of the cast and appears in 35 episodes.

Tom Chambers (born 22 May 1977) is an English actor.

Tom Chambers plays as Inspector Sullivan in Father Brown.
Tom Chambers is the top #8 member of the cast and appears in 30 episodes.

Keith Osborn plays as Sergeant Albright in Father Brown.
Keith Osborn is the top #9 member of the cast and appears in 20 episodes.

Hugo Alexander Speer is an English actor and director.

Hugo Speer plays as Inspector Valentine in Father Brown.
Hugo Speer is the top #10 member of the cast and appears in 10 episodes.