Guest Stars Charlie May-Clark as Cathy Calvert Kate O'Flynn as Dr. Peep Hannah Walters as Connie Ball Mia Blakeley as Tessa Kowalska Ben Tavassoli as Alpha Philip McGinley as Bob Simmons Hanna Bieniuszewicz as Magda Kowalska Peter McDonald as Patrick Llewellyn Samantha Morris as Teresa Adamson Julian Gorman as Jock Steve Cooper as Colin Adamson Sacha Dhawan as Majid Faye McKeever as Michelle James Foster as Clive Danielle Henry as Jan Lauren Francis as Jenny Leon Harrop as Adam Philip Hill-Pearson as Jimmy Webb Simon Nagra as Ghafir Simon Rivers as Ashok