Stephen Colbert provided the voice of President Hathaway .
Seth Rogen is the voice of B.O.B in Monsters vs. Aliens.
Stephen Colbert
seth rogen
Hugh Laurie plays the voice of Dr. Cockroach Ph.D
Reece Witherspoon, good luck with the competition!
Derek is voiced by Paul Rudd.
Yes, indeed he was. The actor Seth Rogen does appear in the film called Monsters vs. Aliens.He plays the voice of "B.O.B".Monsters vs. Aliens was released in the year 2009
Reese Witherspoon
The voice of Gallaxhar was provided by Rainn Wilson.
Yes, indeed he was. The actor Seth Rogen does appear in the video game called Monsters vs. Aliens.He plays the voice of "B.O.B" in the game.The Monsters vs. Aliens video game was released in the year 2009.
Reese Witherspoon was the voice of Ginormica.
Reese Witherspoon