Actor Joseph Gordon-Levitt got married to his non-celebrity girlfriend, Tasha McCauley, on December 20, 2014.

According to People magazine the actor's relationship to McCauley was kept under tight lock and key because she wanted it that way. While not much is not known about McCauley, she is a recent MBA grad from USC who is known for her prowess in the field of robotics. She is the CEO of Fellow Robots, a robotics company based at NASA Research Park in Silicon Valley, California.  

People reported that Gordon-Levitt had admitted to having a girlfriend in 2013 but wouldn't share who she was.

"I have a girlfriend but I tend not to really like to talk about it in public," he said. "The girl that I'm with, she really doesn't want to be a part of that."

Gordon-Levitt recently wrapped filming for The Walk, a Robert Zemeckis film based on the true story which was made into a documentary, Man on Wire about Philippe Petit's high-wire walk between the Twin Towers in New York on August 7, 1974. Gordon-Levitt will play the part of Petit. The actor has also been filming for a Christmas-eve themed movie which is being directed by Jonathan Levine.

One of Gordon-Levitt's latest big release was Sin City: A Dame to Kill For, which released in August 2014.

Watch an interview of Gordon-Levitt talking promoting Sin City and talking up his upcoming projects: