Mark Williams

Mark Williams (born 22 August 1959 ) voiced Maxwell Edison in the Big Finish Productions audio drama The Eternal Summer. He later played the recurring role of Brian Williams, the father of companion Rory Williams, in the seventh series of Doctor Who.

Career
He is perhaps best known for playing in seven of the eight Harry Potter films (alongside other DWU actors, like David Bradley). He also appeared in Being Human, and The Fast Show alongside Arabella Weir. Since 2013 he has been portraying G.K. Chesterton's fictional detective-priest Father Brown for BBC Television.