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
Doctor Who: The Third Doctor Adventures Doctor Who: The Third Doctor Adventures "The Third Doctor Adventures" is a Big Finish Productions audio play series based on the TV show Doctor Who. It sees the return of Katy Manning as Jo Grant and Richard Franklin as Mike Yates, while the voice of the Third Doctor is performed by Tim Treloar replacing the original actor, Jon Pertwee, who died in 1996. The first set of stories was released in September 2015. A second and third volume were released November 2016 and August 2017 respectively. A fourth volume was released in March 2018. A fifth volume was confirmed in