Naomi Watts is in negotiations to join Theodore Melfi's upcoming comedy St. Vincent de Van Nuys.

Bill Murray and Melissa McCarthy star in this comedy that centers on a young boy who finds an unlikely friend in a cranky old war veteran. Naomi Watts will play a Russian prostitute who develops a close relationship with the old man.

Theodore Melfi is directing from his own 2011 Black Listed screenplay. Naomi Watts earned a Oscar nomination for her performance in Juan Antonio Bayona's The Impossible.

No production schedule has been released.