Sophie Okonedo
(Kelly Booth)
Jessica Hynes
(Alice Timpson)
Paul Higgins
(Alan McPherson)
Tom Beard
(Dr. Miles Vincent)
Amanda Royle
(Sue McPherson)
Lynne Verrall
(Sister Felicity O'Keefe)
Jenny Bolt
(Cassandra Naylor)
Ayub Khan-Din
(Dr. Suni Rai)
Karl Draper
(Christopher Morrison)
Susannah Wise
(Michaela Lennox)