But who else will be joining the Doctor as guest stars for the new eight-episode series?
Well update this guide as new guest stars are announced ahead of the new series April 12 start date.
We like an overexcited guest star.
Rylan Clark
Who else would host the Intergalactic Song Contest but Mr Showbiz aka Rylan Clark?
Its an incredible performance, says RTD, marked by terror, anger and bravery.
Sofa cushions at the ready!
