Jason Flemyng
Professor Bernard Quatermass
Acting
Adrian Dunbar
Detective Lomax
Acting
Mark Gatiss
John Paterson
Acting
David Tennant
Doctor Gordon Briscoe
Acting
Indira Varma
Judith Carroon
Acting
Andrew Tiernan
Victor Carroon
Acting
Adrian Bower
James Fullalove
Acting
Isla Blair
Blaker
Acting
Andrew Scott
Vernon
Acting
Stephen Boxer
Colonel
Acting
Matthew Flynn
Charles Greene
Acting
Carsten Hayes
Ludwig Reichenheim
Acting
Lucy Evans
Janet
Acting
Gary Shelford
Understudy
Acting
Andy de la Tour
Chemist
Acting
John Kirk
Inspector
Acting