Peter Capaldi as The Doctor (12)

David Bradley as The Doctor (1)

Mark Gatiss as The Captain

Pearl Mackie as Bill Potts

Nikki Amuka-Bird as The Glass Woman

Toby Whithouse as German Soldier

Lily Travers as Polly

Jared Garfield as Ben

Jenna Coleman as Clara Oswald

Matt Lucas as Nardole

Nicholas Briggs as Daleks (voice)

Jodie Whittaker as The Doctor (13)

William Hartnell as The Doctor (1) (archive footage)

Anneke Wills as Polly (archive footage)

Michael Craze as Ben (archive footage)

Patrick Troughton as The Doctor (2) (archive footage)