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Reese Witherspoon was the voice of Ginormica.
Seth Rogen is the voice of B.O.B in Monsters vs. Aliens.
Stephen Colbert
Reese Witherspoon
The voice of Gallaxhar was provided by Rainn Wilson.
seth rogen
Stephen Colbert provided the voice of President Hathaway .
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
"Monsters vs Aliens" had a March 27, 2009release date .
Monsters vs. Aliens.
The duration of Monsters vs. Aliens is 1.57 hours.
monsters and aliens