Main Characters Dr. Nikki Alexander 171 main appearances Prof. Leo Dalton 106 main appearances Jack Hodgson 95 main appearances Dr. Harry Cunningham 94 main appearances Prof. Samantha "Sam" Ryan 60 main appearances Clarissa Mullery 59 main appearances Dr. Thomas Chamberlain 49 main appearances Trevor Stewart 24 main appearances Cara Connelly 16 main appearances Professor Gabriel Folukoya 20 main appearances Velvy Schur 20 main appearances Simone Tyler 10 main appearances Dr. Adam Yuen 4 main appearances
Recurring Guest Characters Thug 2 guest appearances DI Sarah Parks 2 guest appearances Lucy Parks 2 guest appearances Adam Lansley 2 guest appearances Amy Greenwood 2 guest appearances Archie Grant 2 guest appearances Yasmin Doshi 2 guest appearances Bekir Humadi 2 guest appearances Martin Carrisford 2 guest appearances Nuri Kavur 2 guest appearances Gulse Kavur 2 guest appearances Alice Preston 2 guest appearances DS Sally Kirchner 2 guest appearances Ellie Brooke 2 guest appearances DI John Brooke 2 guest appearances Solicitor 2 guest appearances Cameraman 2 guest appearances DI Carter 2 guest appearances Lizzie Kennedy 2 guest appearances Hannah Kennedy 2 guest appearances ⇤ « 1 2 3 4 5 6 7 8 9 10 » ⇥