V Aliens Cast — Monsters

: Voiced by Kiefer Sutherland . The military leader in charge of the top-secret monster containment facility [10, 24].

The (2009) film features an ensemble of notable actors including Reese Witherspoon , Seth Rogen , and Hugh Laurie . Lead Monster Cast Monsters V Aliens Cast

: Voiced by Stephen Colbert . The impulsive and dimwitted President of the United States [10, 25]. : Voiced by Kiefer Sutherland

: Susan's parents are voiced by Jeffrey Tambor and Julie White [10, 13]. Monsters V Aliens Cast