Last Tango in Halifax Guest cast, played by Meriel Schofield Episode 1x02: Episode 2 (Nov 27, 2012) Episode 1x05: Episode 5 (Dec 18, 2012) Episode 2x06: Episode 6 (Dec 24, 2013) Episode 3x01: Episode 1 (Dec 28, 2014) Episode 3x05: Episode 5 (Jan 25, 2015)