Neil Dudgeon
— Dr. Neil McFarlane
Samantha Bond
— Dr. Lisa Temple
Dermot Crowley
— Dr. Bill Galton
Jasper Britton
— Lenny Johnson
Janet Dale
— Gwenda Irwing
Nigel Clauzel
— Alex James
Marius Stănescu
— Stefan Popescu
Peter Jeffrey
— Prof. Bannerman
William Chubb
— Det. Insp. Matthews
Carolyn Pickles
— Diane Cresswell
Garry Cooper
— Andy Cresswell
Joe Swash
— Jason Cresswell
Lisa Kelly
— Heather Collins
Toby Salaman
— Mr. Underwood
Harry Gostelow
— Dr. Roach
Hilary Lyon
— Phillippa McFarlane
Hugh Bonneville
— Peter Schneider
Matt Patresi
— Phil
Benedict Wong
— Jerry
Christopher Driscoll
— Security Guard
Geraldine Newman
— Neighbour
Aran Bell
— Police Sergeant
Vanessa Earl
— Suzanne Drake
Kathleen Bidmead
— Olga Livingstone
Suzi Pattinson
— Nurse
Sarah Whitlock
— Nurse