The complete first season of the TV series Mum. Year 2018 Video Release 2018-05-15 Studio Warner Bros. Genre TV Series MPAA Rating Not Rated Color Color Runtime 180 Animated Live-Action Full Synopsis Happily married one day and widowed the next, Cathy Walker feels her way through her first year as a suddenly single woman. Some days it would be easier to rebuild her life without the well-intentioned advice and often hilarious help from her son, her brother, and their girlfriends. Thank heaven for Cathy's lifelong friend Michael, who keeps a loving eye on her. Enjoy the gentle humor of this light-hearted, BAFTA Award-winning family sitcom, starring Olivier Award-winner Lesley Manville Phantom Thread, The Queen . Director Richard Laxton Cast Richard Laxton; Lesley Manville; Peter Mullan; Lisa McGrillis; Sam Swainsbury; Dorothy Atkinson