This just in: Doctor Who 50th Anniversary special to include (we already knew this): John Hurt, Matt Smith, Jenna Louise Coleman, David Tennant, and Billie Piper.
It's now been confirmed that the following former DW cast members will also return:
* Sylvester McCoy (7th Doctor)
* Tom Baker (4th Doctor)
* Peter Davidson (5th Doctor)
* Paul McGann (8th Doctor)
* Sophie Aldred (Ace)
* Bernard Cribbins (Wilfred Noble)
* undisclosed female actress to take on the role of Romana
* Richard Franklin (Cpt. Michael Yates, now a Brigadier General heading towards retirement)
* John Levene (Sgt. John Benton, now retired from UNIT, has entered the clergy and is vicar in a small town called Dibley)
* Joanna Lumley and Jennifer Saunders (unnamed roles)
...and the biggest casting news of all?
C'mon, the Dibley bit was the dead giveaway...
I await Blue Hinter yelling at me...