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 Benjamin 2 guest appearances Lucy Horton-Jones 2 guest appearances Eva Liron 2 guest appearances Sami Rashid 2 guest appearances Ruth 2 guest appearances Ron McNally 2 guest appearances Barrister 2 guest appearances Monica Dreyfus 2 guest appearances DS Adam Kemp 2 guest appearances Jill Bond 2 guest appearances Charlie Masham 2 guest appearances Mark Bond 2 guest appearances Robbie Masham 2 guest appearances DI Rachel Klein 2 guest appearances Peter Masham 2 guest appearances David Bennetto 2 guest appearances Young David 2 guest appearances Young Jill 2 guest appearances Bill Bennetto 2 guest appearances Richard Parkwood 2 guest appearances ⇤ « 3 4 5 6 7 8 9 10 11 12 » ⇥