Twice Upon a Time (Doctor Who) and Time". This makes him the third actor to play the role in the television programme, after William Hartnell and Richard Hurndall (in 1983's "The Five Doctors") since the premiere of "Doctor Who" in 1963. Bradley previously played Solomon in the 2012 episode "Dinosaurs on a Spaceship". The first trailer for the episode was shown during the 2017 San Diego Comic-Con, revealing the return of Polly, a companion from the end of William Hartnell's tenure as the First Doctor, portrayed by Lily Travers, and Pearl Mackie as Bill Potts. Also confirmed were appearances by Toby Whithouse, writer of seven episodes
Lost in Time (Doctor Who) on the DVD), "The Ice Warriors" (a condensed version, on the VHS release and as an extra on the DVD) and "The Web of Fear" (the still missing episode three, on iTunes and the DVD) – as well as being produced unofficially by fans. Lost in Time (Doctor Who) Doctor Who – Lost in Time is a BBC three-disc boxset DVD released in 2004. It is a collection of restored "Doctor Who" episodes and clips from stories that are incomplete or missing from the Corporation's archives. There were, at the time of release, 108 missing episodes, all from the black-and-white