Star Wars: Episode III: Some new Episode III casting news has appeared on the horizon staright from the Official Star Wars Website:

As Episode III bridges the prequel era with that of the original trilogy, many of the characters and situations will begin to resemble or tie in with those found in Episodes IV, V, and VI. A character that played a relatively small but important part in Return of the Jedi will return in a younger incarnation as actor Genevieve O'Reilly plays Mon Mothma in the next Star Wars movie. RELATED: Obi-Wan Kenobi Set Report Details Darth Vader Face Off

O'Reilly has performed such stage roles as Ruth in Cosi, Veronica in The Ugly Man and Olivia in Twelfth Night. On television, she has appeared on "Beastmaster," "Life" and "All Saints." Her film credits include Avatar, and most recently, she played Officer Wirtz in The Matrix: Reloaded.

In other casting news...

Though most of the cast of Episode III will be returning from previous installments of the Star Wars saga, a few new faces will join the production that starts principal photography on June 30. Joining the cast of Episode III as a helpful alien is Bruce Spence.

An actor in Australia since 1969, Spence has appeared in numerous works on stage and screen, making his film debut in the 1971 comedy Stork. Genre audiences will recognize Spence from Dark City, The Road Warrior and Mad Max Beyond Thunderdome, the latter of which garnered him a nomination for Best Supporting Actor by the Academy of Science Fiction Fantasy and Horror Films.

Spence also appeared as Prefect Falaak in "Farscape," and can be seen as the Trainman in The Matrix: Reloaded and The Matrix: Revolutions. Most recently, Spence's voice can be heard as Chum, the Aussie shark in Finding Nemo. Later this year, Spence can be seen as Cookson in Peter Pan, and as the Mouth of Sauron in The Lord of the Rings: Return of the King.