Douglas Henshall
as Dr. Daniel Nash
Neve McIntosh
as Dr. Kate Millar
Alastair Mackenzie
as Dr. 'Shug' Nevin
Lynsey Baxter
as Dr. Karen Smith
Nicholas Clay
as Dr. Angus Harvey
Indira Varma
as Dr. Martine Nichol
Naoko Mori
as Mariko Harris
Iain Fraser
as Staff Nurse Jim Reid
Alison Peebles
as Charge Nurse Anne Cowan
Jenny McCrindle
as Sue Hamilton
Elaine Collins
as Laura Robb
Clare Cathcart
as Shona Temple