Grantchester Guest cast, played by Tom Austen Episode 1x02: Episode 2 (Oct 13, 2014) Episode 1x06: Episode 6 (Nov 10, 2014) Episode 2x02: Episode 2 (Mar 9, 2016) Episode 2x04: Episode 4 (Mar 23, 2016) Episode 2x06: Episode 6 (Apr 6, 2016) Episode 3x01: Episode 1 (Apr 23, 2017) Episode 3x03: Episode 3 (May 7, 2017)