Pretty much the whole planet wigs out, except for Lem (Justin Long), a nice boy who works at the local observatory, and Lem's buddies Skiff (Seann William Scott) and Eckle (Freddie Benedict).

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When Chuck’s ship arrives in his backyard, Lem is torn between disrupting life as he knows it or helping Chuck find his way home. Along the way he is helped by best friend Skiff (Sean William ...

A high concept gets low execution in “Planet 51,” a lame-brained toon that even kids will recognize as an insipid goof on sci-fi conventions. Any number of things have been and could still be ...

"Neera" voiced by Jessica Biel, "Lem" voiced by Justin Long, "Eckle" voiced by Freddie Benedict, "Skiff" voiced by Seann William Scott in Columbia Pictures' animated comedy PLANET 51.

Kids will enjoy the swift action and slapstick gags, and adult minders can chuckle at a few more suggestive jokes. Think sci-fi very lite. ‘Planet 51’ c voice cast: Dwayne Johnson, Justin Long ...

Review: 'Planet 51' lacks animationIn this film publicity image released by Columbia Pictures, the characters Lem, voiced by Justin Long, and Chuck Baker, voiced by Dwayne Johnson, right, is shown ...

Planet 51 unfolds on the titular world, far from our own, where little green men, women and child live in domestic bliss, which bears a spooky resemblance to 1950s white-picket-fence America.

So “Planet 51” is Sci-Fi Lite, running through the cliches — no, let’s make that the memories — of old sci-fi classics with gentle jokes and cornball battles.

With: Capt. Charles "Chuck" Baker - Dwayne Johnson Neera - Jessica Biel Lem - Justin Long Gen. Grawl - Gary Oldman Skiff Seann - William Scott Professor Kipple - John Cleese With: Freddie Benedict ...