The human is Captain Charles T. Baker (voice of Dwayne Johnson, who, in animated form, is a
skinny, blonde, blue - eyed
white guy — take that decision as you will), who lands in the backyard of our alien hero Lem (voice of Justin Long), a
typical teenager who just got a promotion at the local planetarium and has a crush on Neera (voice of Jessica Biel), the girl next door.