Reparto y equipo

Jorge Blanco

Joe Stillman

Justin Long Lem (voice)

Dwayne Johnson Chuck Baker (voice)

Jessica Biel Neera (voice)

Seann William Scott Skiff (voice)

Gary Oldman General Grawl (voice)

John Cleese Professor Kipple (voice)

Freddie Benedict Eckle (voice)

Alan Marriott Glar (voice)

Mathew Horne Soldier #1 (voice)

James Corden Soldier #2 (voice)

Alan Cumming Alien Mailman (voice)

Frank Welker Ripley / Rover (voice)

Jim Cummings Lem's Dad (voice)

Renée Zellweger Lem's Mom (voice)

Candi Milo Teacher (voice)

Ignacio Pérez Dolset

Guy Collins

James Seymour Brett

Alex Rodríguez