Shetland Guest cast, played by Lorn MacDonald Episode 5x01: Episode 1 (Feb 12, 2019) Episode 5x02: Episode 2 (Feb 19, 2019) Episode 5x03: Episode 3 (Feb 26, 2019) Episode 5x04: Episode 4 (Mar 5, 2019) Episode 5x05: Episode 5 (Mar 12, 2019)