Professor Bernard Quatermass

Jason Flemyng

Acting

Detective Lomax

Adrian Dunbar

Acting

John Paterson

Mark Gatiss

Acting

Doctor Gordon Briscoe

David Tennant

Acting

Judith Carroon

Indira Varma

Acting

Victor Carroon

Andrew Tiernan

Acting

James Fullalove

Adrian Bower

Acting

Blaker

Isla Blair

Acting

Vernon

Andrew Scott

Acting

Colonel

Stephen Boxer

Acting

Charles Greene

Matthew Flynn

Acting

Ludwig Reichenheim

Carsten Hayes

Acting

Janet

Lucy Evans

Acting

Understudy

Gary Shelford

Acting

Chemist

Andy de la Tour

Acting

Inspector

John Kirk

Acting