Charles Dance

as Dr. Edmund Maltravers

8 episodes

Reggie Yates

as Theo Mackenzie

8 episodes

Christian Cooke

as Dorian Gaudain

8 episodes

Michael Higgs

as Dr. Gabriel Lloyd

8 episodes

Claire Skinner

as Dr. Angela Donne

8 episodes

Antonia Bernath

as Charlotte Arc

8 episodes

Isabella Calthorpe

as Rosalind Gaudain

8 episodes

Arnab Chanda

as Raj Puri

8 episodes

Tom Hughes

as Jonty Millington

8 episodes

Mark Wood

as Angus Fergus

8 episodes

Paul Hunter

as Dr. Linus Cooper

8 episodes

Elen Rhys

as Maddie Talbot

8 episodes

Liam Bergin

as Rupert

7 episodes

Rod Arthur

as Pete Dobkin

6 episodes

Saif Alfalasi

as Vigor

4 episodes