Billie Piper, Peter Capaldi, Sylvester McCoy and Strax actor Dan Starkey are on their way to Sydney for the Doctor Who Festival.
They will be joined by writer/executive producer Steven Moffat and writer Mark Gatiss at the festival in Sydney on November 21-22.
Billie Piper and Sylvester McCoy will appear on stage at the festival in a series of fan Q and A's hosted by Adam Spencer.
Along with playing companion Rose in Doctor Who, Billie Piper is known to audiences for her work as Belle in Secret Diary of a Call Girl and in Showtime’s supernatural series Penny Dreadful.
Sylvester McCoy played the Seventh Doctor from 1987 – 1989 and was most recently seen on the big screen alongside Sir Ian McKellen and Martin Freeman in The Hobbit: The Desolation of Smaug and The Hobbit: The Battle of the Five Armies.
Dan Starkey, whose character Strax recently signed on for a Doctor Who audio spinoff, will offer fans the chance to learn what it takes to be a monster in a special hands-on drama session.
Dan will be joined by actor Jon Davey, who has played a variety of monsters in over 30 episodes of Doctor Who, he’ll reveal the secrets behind operating the Doctor’s most famous adversary – the Dalek.
Starkey said he made a flying visit to Australia a few years ago that he was really looking forward to coming back and spending a little longer this time.
"In his long and illustrious military career I'm sure that Strax has conquered jet-lag and I'm certain I will too," he said.
The Doctor Who Festival will be held at the Hordern Pavilion and the Royal Hall of Industries on the November 21-22.