Lesley Manville Cathy Actor Peter Mullan Michael Actor Dorothy Atkinson Pauline Actor Ross Boatman Derek Actor Lisa McGrillis Kelly Actor Sam Swainsbury Jason Actor Karl Johnson Reg Actor Marlene Sidaway Maureen Actor Prasanna Puwanarajah Kumar Actor Daniela Denby-Ashe Claire Actor Stefan Golaszewski Writer, Executive Producer, Director Kenton Allen Executive Producer Richard Laxton Director, Executive Producer Lyndsay Robinson Producer