Sarah Moyle

as Valerie Pitman

Jan Pearson

as Karen Hollins

Matthew Chambers

as Dr. Daniel Granger

Adrian Lewis Morgan

as Dr. Jimmi Clay

Ian Midlane

as Dr. Al Haskey

Dido Miles

as Dr. Emma Reid

Elisabeth Dermot Walsh

as Dr. Zara Carmichael

Ashley Rice

as Dr. Sid Vere

Dex Lee

as Bear Sylvester

Bharti Patel

as Ruhma Hanif