Doctor Who Christmas Special Introduces New Doctor and Companion, Takes on Fantasy Genre

Ncuti Gatwa debuts as the new Doctor in 'The Church on Ruby Road', introducing Millie Gibson as Ruby Sunday, with a possible cameo from former Doctor, Jodie Whittaker.

Ncuti Gatwa is set to begin his adventures as the new Doctor in the Christmas special, 'The Church on Ruby Road', which is taking a more fantastical tone compared to previous Doctor Who episodes.
Fan theories suggest that Jodie Whittaker, the Thirteenth Doctor, might make a secret cameo in the Christmas special.
The Christmas special introduces Millie Gibson as Ruby Sunday, who learns the secret of her birth and becomes the new companion of the Doctor.
The Christmas special also includes Michelle Greenidge as Ruby’s mum Carla, Angela Wynter as Ruby’s grandmother Cherry, and Anita Dobson as Mrs. Flood, with Davina McCall making a cameo as herself.
'The Church on Ruby Road' is set to premiere on December 25 at 9:55 a.m. PT / 12:55 p.m. ET on Disney+.