An Adventure in Space and Time led to him being cast as the First Doctor himself in the 2017 "Doctor Who" episodes "The Doctor Falls" and "Twice Upon a Time" and in a series of audio adventures for Big Finish Productions. In 1966, William Hartnell (David Bradley) is in his dressing room at the BBC. He insults a stagehand who calls him to the set, where the delay caused by his absence is noticed. Hartnell enters in costume, ready to film his last moments as the First Doctor and stands in front of the TARDIS console. Three years earlier, BBC executive Sydney Newman (Brian Cox) is
Doctor Who: The Early Adventures portrayed the role of original Barbara actress Jacqueline Hill in the 2013 drama "An Adventure in Space and Time", and Dan Starkey as the Sontarans. The second story also features actor James Joyce in the role of a new companion, Jospa. <section begin=series3 /><section end=series3 /> Frazer Hines, Anneke Wills, Elliot Chapman and Wendy Padbury reprise their roles as the Doctor's companions, with Frazer Hines also playing the Second Doctor. Other characters are also played by Anjella Mackintosh, Wanda Opalinska, Kristina Buikaite, Alistair Petrie, Debbie Chazen, Matilda Ziegler, David Sibley, Kerry Gooderson, Ewan Bailey, Alan Blyton, Judith Roddy, Adam Newington,