We don't have a biography for Mark Williams Thomas yet. Hang in there, or go ahead and contribute one.
Cast Credits The Investigator: A British Crime Story (2016) Starring as Presenter (4 episodes) Episode 1x04: Episode 4 (Aug 4, 2016) Episode 1x03: Episode 3 (Jul 28, 2016) Episode 1x02: Episode 2 (Jul 21, 2016) Episode 1x01: Episode 1 (Jul 14, 2016) View 1 more View 1 less This Morning (1988) Guest starring as Mark Williams Thomas (2 episodes) Episode 29x106: 07/02/2017 (Feb 7, 2017) Episode 28x06: 11/01/2016 (Jan 11, 2016) 20/20 (1978) Guest starring as Correspondent Episode 2016-06-24: Looking for Lauren (Jun 24, 2016)
