Mila Kunis is preparing to play one tough demon.
The "Black Swan" actress has joined the cast of "Hell & Back," an R-rated stop-motion animated film from production house ShadowMachine.
She'll play a beautiful demon whose ability to navigate the underworld makes her the toughest creature in hell.
"Her independent streak may come from her greatest secret: She's half-human," according to ShadowMachine.
"We're thrilled to have Mila involved," ShadowMachine's Corey Campodonico said in a statement. "Her unique blend of comedy and charm fits perfectly with what is sure to be one of the most memorable animated female characters in a long time."
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Tommy Gianas ("SNL," "Human Giant," "Tenacious D," "Pretend Time") and Ross Shuman are directing the movie, with writing revisions by Hugh Sterbakov.
Campodonico, Eric Blyler and Alex Bulkley are producing.
"Hell & Back" is ShadowMachine's first R-rated adult stop-motion animation feature.