Christopher Messina (born August 11, 1974) is an American actor and movie director. He is known for his roles in Vicky Cristina Barcelona, Argo, Julie & Julia, Ruby Sparks, Celeste and Jesse Forever, You've Got Mail and Birds of Prey. He starred in the movie The Giant Mechanical Man.
On television, he appeared in roles as Chris Sanchez in Damages, Reese Lansing in The Newsroom and as Danny Castellano in The Mindy Project.