Guest Stars Pete MacHale as Leon Toheeb Jimoh as Marcus Ursula Holliday as Cass Stewart Anneika Rose as Natalie Milly Thomas as Sara Hoyt Anson Boon as Anton Garin T'Nia Miller as Charlie Morris Laurie Kynaston as Jonah Green Olwen Fouéré as Jane Olivia Morgan as Tia Ace Bhatti as Dr Adu Clive Russell as Graham Keicha Greenidge as Surgery Staff Imani Jackman as Arian Oaklee Pendergast as Ryan Roger Alborough as Devan Nigel Boyle as Gary Eloise Joseph as Chetna Jessie Hills as Devan's Daughter Carl McCrystal as Abel