William Hartnell
David Bradley
Verity Lambert
Jessica Raine
Waris Hussein
Sacha Dhawan
Sydney Newman
Brian Cox
William Russell
Jamie Glover
Heather Hartnell
Lesley Manville
Mervyn Pinfield
Jeff Rawle
Jacqueline Hill
Jemma Powell
Carole Ann Ford
Claudia Grant
Judith
Cara Jenkins
Delia Derbyshire
Sarah Winter
Maureen O'Brien (uncredited)
Anna-Lisa Drew
Patrick Troughton
Reece Shearsmith
Rex Tucker
Andrew Woodall
Peter Hawkins
Nicholas Briggs
Richard Martin
Ian Hallard
Joyce
Carole Ann Ford
Peter Brachacki
David Annen
Peter Purves
Edmund C. Short
Douglas Camfield
Sam Hoare
Jackie Lane (uncredited)
Sophie Holt
Donald Baverstock
Mark Eden
Michael Craze (uncredited)
Robin Varley
Anneke Wills (uncredited)
Ellie Spicer
Brian Hodgson
Joseph Railton
Alan
Reece Pockney
Harry
William Russell
Cyril
Toby Hadoke
The Doctor / Himself (uncredited)
Matt Smith
The Doctor (archive footage)
William Hartnell