New in Theaters: March 20, 2009

Julia Roberts returns to theaters today! Along with a couple of bromantic pals and Nicolas Cage in a numbers-centric mystery. What are YOU seeing this weekend?

Duplicity. Julia Roberts and Clive Owen are spies on opposite sides who just might end up working together for their own goals. Or not. Rated PG-13. [Preview] [Trailer] [Official Site]

I Love You, Man. Paul Rudd needs a best friend and a best man for his wedding. So he goes on the prowl and lands a bromance with Jason Segel. Rated R. [Preview & Trailer] [Official Site]

Knowing. A time capsule, a mystery, and a college professor played by Nicolas Cage are on tap for this psychological thriller. Also stars Rose Byrne of the FX drama "Damages." Rated PG-13. [Preview & Trailer] [Official Site]

Sunshine Cleaning (expands). Amy Adams and Emily Blunt are two sisters who go into the crime scene cleaning business. Rated R. [Preview & Trailer] [Official Site]

The Great Buck Howard (limited). John Malkovich stars as a mentalist whose feats earned him an act in Las Vegas and 61 appearances on "The Tonight Show." Now he’s ready for his comeback. Also stars Colin Hanks, Emily Blunt and Tom Hanks. Rated PG. [Official Site]

Photo: © Universal Studios