http://www.hollywoodreporter.com/news/doctor-whos-new-companion-be-886456

Eastenders alum Rakhee Thakrar (https://www.youtube.com/watch?v=w3_F1nP_Lg8) is among the names being discussed as Jenna Colman’s successor (http://www.denofgeek.com/tv/doctor-who/40144/doctor-who-pearl-mackie-confirmed-as-new-companion).

http://www.buzzfeed.com/matthewchampion/the-new-doctor-who-companion-has-been-announced-guys

It's Pearl Mackie (http://uproxx.com/tv/doctor-who-companion-pearl-mackie/)!