Dwayne JohnsonChuck Baker (voice) Jessica BielNeera (voice) Seann William ScottSkiff (voice) Gary OldmanGeneral Grawl (voice) John CleeseProfessor Kipple (voice) Freddie BenedictEckle (voice) Alan MarriottGlar (voice) Mathew HorneSoldier #1 (voice) James CordenSoldier #2 (voice) Alan CummingAlien Mailman (voice) Frank WelkerRipley / Rover (voice) Brendan GleesonNeera's Father (voice) Jim CummingsLem's Dad (voice) Renée ZellwegerLem's Mom (voice) Candi MiloTeacher (voice) Lewis MacleodAdditional Voices (voice) Rupert DegasAdditional Voices / Chief Gorlock (voice) (uncredited) Rebecca FrontAdditional Voices (voice) Vincent MarzelloAdditional Voices (voice) Emma TateAdditional Voices (voice) Pete AtkinAdditional Voices (voice) Laurence BouvardAdditional Voices (voice) Brian BowlesAdditional Voices (voice) Jorge BlancoDirector / Idea Ignacio Pérez DolsetProducer / Idea Mercedes GameroExecutive Producer Peter D. GravesExecutive Producer Michael MakerExecutive Producer Michael RyanExecutive Producer José A. Rodriguez DiazExecutive Producer Albert Martínez MartínExecutive Producer Stephen MargolisExecutive Producer Patrick MeehanExecutive Producer Mercedes ReyExecutive Producer Javier DolsetExecutive Producer Ricardo García ArrojoExecutive Producer Albie HechtExecutive Producer Juan Antonio Perez RamirezExecutive Producer Fernando JuárezArt Direction Julian Muñoz RomeroProduction Design Marcos MartínezCo-Director / Idea Javier AbadCo-Director / Idea Andie DerrickFoley Artist Álvaro de IscarSound Editor James HarrisonSound Effects Max BygraveSound Effects Editor Chris BurdonSound Re-Recording Mixer Joseph StraceySound Effects Designer Danny HambrookSound Effects Editor Dillon BennettSound Editor James Seymour BrettOriginal Music Composer Martin CantwellSound Effects Designer Karen Lindsay-StewartCasting 
