Cast
Reese Witherspoon
Susan Murphy / Ginormica (voice)
Seth Rogen
B.O.B. (voice)
Hugh Laurie
Dr. Cockroach Ph.D. (voice)
Rainn Wilson
Gallaxhar (voice)
Will Arnett
The Missing Link (voice)
Kiefer Sutherland
General W.R. Monger (voice)
Paul Rudd
Derek Dietl (voice)
Stephen Colbert
President Hathaway (voice)
Julie White
Wendy Murphy (voice)
Jeffrey Tambor
Carl Murphy (voice)
Amy Poehler
Computer (voice)
Ed Helms
News Reporter (voice)
Renée Zellweger
Katie (voice)
Sean Bishop
Private Bullhorn / Helicopter Pilot / Advisor Ortega (voice)
Rich Dietl
Commander / Advisor Smith (voice)
