The game does not feature any voice acting from Matt Smith or Karen Gillan, although sound samples from the show of the enemies are used.
In the episode, the Doctor (Matt Smith) and his companion Amy Pond (Karen Gillan) arrive in London during the Blitz, where Winston Churchill (Ian McNeice) has employed "Ironsides", a scientific creation from Professor Bracewell (Bill Paterson) to be used as weapons in the war effort.
Karen people | Karen | Karen Traviss | Karen Blixen | Karen Carpenter | Karen Black | Ian Gillan | Karen Wilkin | Karen Finley | Gillan | Karen Poole | Karen O | Karen Mok | Karen Allen | Karen Wynn Fonstad | Karen Valentine | Karen Horney | Karen Gillan | Karen Forkel | Karen Elson | Karen Young | Karen Spencer | Karen O'Connor | Karen National Union | Karen Morley | Karen Matheson | Karen Dalton | Anna Karen | Karen Young (American singer) | Karen Vick |
In the episode, the Doctor—a time travelling alien played by Matt Smith—and his companions Amy Pond (Karen Gillan) and Rory Williams (Arthur Darvill) land in Wales in 2020, where a drilling operation headed by Nasreen Chaudhry (Meera Syal) is drilling deep into the earth and disrupting a civilisation of Silurians who dwell beneath the earth.