Orbiting a quiet backwater planet, the massed forces of the universe's deadliest species gather, drawn to a mysterious message that echoes out to the stars. And amongst them, the Doctor. Rescuing Clara from a family Christmas dinner, the Time Lord and his best friend must learn what this enigmatic signal means for his own fate and that of the universe.
Matt Smith
The Doctor (11)
Jenna Coleman
Clara Oswald
Peter Capaldi
The Doctor (12)
Karen Gillan
Amy Pond
Orla Brady
Tasha Lem
Kayvan Novak
Handles (voice)
Nicholas Briggs
Daleks / Cybermen (voice)
Dan Starkey
Sontaran
