Shatner as C3PO, Walken as R2D2

For the 35th anniversary of “Star Wars,” voice actors Billy West, Tara Strong, Maurice LaMarche, John DiMaggio, Kevin Conroy, Jess Harnell and Rob Paulsen performed Star Wars Trilogy: The Radio Play, an awesome live reading of the original Star Wars script. This took place on March 31st at the Emerald City Comicon.

About 10 minutes in they do William Shatner as C3PO and Christopher Walken as R2D2:

Found via Slashfilm