Millie Gibson says Ruby Sunday's "PTSD" will be explored in the new series of 'Doctor Who'. The 20-year-old star will return to the role in episode 'Lucky Day' and has explained that the story will ...

she laughed. Millie Gibson as Ruby Sunday and Jemma Redgrave as Kate Stewart in Doctor Who. BBC Studios/James Pardon Promotional images and trailer footage have also revealed that Ruby will again ...

Ncuti Gatwa is back and he will have yet another companion in this series. Millie Gibson played Ruby Rose in the previous set of episodes - and you might be wondering if she will return.

Jonah Hauer-King as Conrad and Millie Gibson as Ruby Sunday in Doctor Who ... and who in a teaser image is seen holding a poster with the titular phrase Lucky Day emblazoned on it.