Doctor Who Series 10: What we Know so far: February 2017

December 2016
November
October
September
July
April
December 2015

Everything in italics is rumour and speculation

Regular Cast

12th Doctor - Peter Capaldi (All episodes - departing Christmas Special 2017)
Bill Potts - Pearl Mackie (Episode 1+)
Nardole - Matt Lucas (Chrismas Special 2016 + Episode 1-2 + Episode 5-7 + Episode 10)

Recurring Cast

Ram Singh - Faye Elsayad (TBD)
The Cast of Class - Various
Osgood
Clara Osworld

Enemies

Daleks (Episode 5 + TBD)
Missy (Episode 6-7 + TBD + Christmas Special 2)
Movelans (Episode 5)
Emoji Robots (Episode 2)
Truth Soldiers (Episode 6-7)
The Ice Warriors (Episode 9)
The Great Intelligence 
The Valeyard
The Flood (Episode 1)
Androzani Trees
The Sea Devils
Giant Woodlice (Episode 4)

Episode Titles

Christmas Special = The Return of the Doctor Mysterio
Episode 1 = Stars in her Eyes
Episode 4 = The Haunted Hub
Episode 6 = Extremis
Episode 10 = The Eaters of the Light
Episode 2-3, 5-8, 10-12, Christmas Special 2 = TBD

Filming

June 2016 - March 2017

Release

15th April 2017

Showrunner

Steven Moffat

Writers

Christmas Special 1: Steven Moffat
Episode 1: Steven Moaffat
Episode 2: Frank Cottrell Boyce
Episode 3: Sarah Dollard
Episode 4: Mike Barlett
Episode 5: Jamie Mathieson
Episode 6/7: Steven Moffat and Peter Harness
Episode 8: Toby Whithouse
Episode 9: Mark Gattis
Episode 10: Rona Munro
Episode 11: Steven Moffat
Episode 12: Steven Moffat
Christmas Special 2: Steven Moffat

Directors

Peter Jackson 
Episode 12-13: Rachael Talay
Christmas Special 1: Ed Bazalgette 
Episode 1: Lawrence Gough
Episode 2: Lawrence Gough
Episode 3: Bill Anderson
Episode 4: Bill Anderson
Episode 5: Charles Palmer
Episode 6: Daniel Nethiam
Episode 7: Daniel Nethiam
Episode 8: Wayne Yip
Episode 9: Charles Palmer

Updates since December 2016

1. Peter Capaldi is leaving as the Doctor on Christmas Special 2017.
2. Nardole has been confirmed as a regular companion but he won't be in every episode.
3. Nardole has been confirmed for episode 2, 6 and 7. 
4. Matt Smith has confirmed that he won't be appearing in series 10.
5. The Daleks have been confirmed for Episode 5
6. Missy is not in Episode 5 or 9 has previously rumoured.
7. Missy is in Episode 6 and 7.
8. Missy is rumoured to be in the 2nd Christmas Special
9. The Movellans are in Episode 5
10. The Emoji Robots are in Episode 2.
11. Truth Soldiers are to debut and will appear in Episode 6-7
12. The Ice Warriors will return in Episode 9. 
13. Giant Woodlice are rumoured to be in Episode 4.
14. Episode 1 will be called "A Star in her Eye" which was previously rumoured.
15. Episode 6 will be called Extremis
16. "The Eaters of the Light" has been moved from Episode 9 to Episode 10.
17. It is rumoured that filming will finish in March.
18. Episode 1 will debut on 15th April 2017.
19. Episode 10 will not be written by Steven Moffat
20. Episode 6 and 7 will be a two-parter by Steven Moffat and Peter Harness.
21. Mark Gattis who was already confirmed to be writing will be writing episode 9.
22. Rachael Talay is rumoured to direct the two final episodes.
23. Charles Palmer has been cofirmed as a director
24. Daniel Nethiam has been confirmed as a director
25. Wayne Yip has bee confirmed as a director.