Guest Stars Niamh McCann as Siobhan Francis Samuel Edward-Cook as Damian Franc Ashman as Cassandra Lucy Sheen as Teresa Karen Henthorn as Emily Lucy Chambers as Sophie Akai Coleman as Rory Romy Kelleher as Raina Kiruna Stamell as Dr Broodthaers Ian Mercer as Tom Shreya M Patel as Seema Christine Entwisle as Valeria Hopi Grace as Tamsin