Guest Stars Ambika Mod as Shruti Rory Fleck Byrne as Harry Philippa Dunne as Ria Michele Austin as Tracy Hannah Onslow as Erika Rosie Akerman as Paula Tom Durant-Pritchard as Greg Michael Workeye as Ben Josie Walker as Non-Reassuring Trace Harriet Walter as Veronique Ashley McGuire as Ms. Houghton Kadiff Kirwan as Julian Michael Simkins as Stephen Ross Tomlinson as Pj Yinka Awoni as James Cathy Murphy as Harry's Mum Amanda Ryan as Mindy Stacey Norris as Matilda Ricky Champ as Rob Jack Wilkinson as Daniel Farrell Layo-Christina Akinlude as Chid Helen Cripps as Psych Reg Clea Martin as Layla Barney-Joe Jones as Drunk Man Thomas Aldridge as Mark Daniel Ward as Paul Farah Sarquar as A&E Nurse Clare Fraenkel as Nina