Jennifer Garner will star in Mandate Pictures coming-of-age comedy "Juno" alongside Ellen Page reports Ace Showbiz.
Diablo Cody penned the script, centered on a teenager faced with an unplanned pregnancy. Garner will portray the hopeful adoptive mother. Michael Cera ("Arrested Development") also stars.
Production is expected to begin mid-February in Vancouver. Jason Reitman ("Thank You for Smoking") is directing.