What actors and actresses appeared in Doctor Who 50th Anniversary Live Pre-Show - 2013?

The Doctor Who 50th Anniversary Live Pre-Show in 2013 featured a number of actors and actresses from the show's history. Here's a list of some of the prominent ones:

Main Cast:

* Matt Smith (The Eleventh Doctor)

* Jenna Coleman (Clara Oswald)

Past Doctors:

* David Tennant (The Tenth Doctor)

* Peter Davison (The Fifth Doctor)

* Colin Baker (The Sixth Doctor)

* Sylvester McCoy (The Seventh Doctor)

* Paul McGann (The Eighth Doctor)

* Christopher Eccleston (The Ninth Doctor)

Companions:

* Billie Piper (Rose Tyler)

* Freema Agyeman (Martha Jones)

* Catherine Tate (Donna Noble)

* Karen Gillan (Amy Pond)

* Arthur Darvill (Rory Williams)

Other Notable Appearances:

* Alex Kingston (River Song)

* Tom Baker (The Fourth Doctor) - made a brief appearance via video message.

This is not an exhaustive list, as numerous other actors and actresses were present for the pre-show, including those who appeared in the 50th anniversary special "The Day of the Doctor," as well as various members of the production crew.