Cast Credits Unforgotten (2015) Guest starring as Jack Barton (4 episodes) Episode 4x06: Episode 6 (Mar 29, 2021) Episode 4x04: Episode 4 (Mar 15, 2021) Episode 4x03: Episode 3 (Mar 9, 2021) Episode 4x01: Episode 1 (Feb 22, 2021) View 1 more View 1 less