The answer to "Is there a Mrs.
The nuptial news came by way of People magazine late New Year's Eve, announcing that the "Dark Knight Rises" actor married McCauley in an at-home ceremony on Dec. 20.
A rep for the actor confirmed the union to the Los Angeles Times.
The 33-year-old has kept mum about his lady love's identity for quite some time, first revealing he was in a relationship during a September 2013 appearance on "The Howard Stern Show."
"I have a girlfriend but I tend not to really like to talk about it in public," he said. "She is not in show business."
"The girl that I'm with, she really doesn't want to be a part of it and you can imagine not wanting to have that kind of scrutiny," he added, declining to say how long they dated or who she was.
McCauley is cofounder and chief executive of the Silicon Valley-based robotics company Fellow Robots, the mag said.
The "Inception" star had waffled on the topic of marriage during his guest spot.
"I think that I could partner up with somebody -- I don't know who that somebody is -- I could partner up with a woman and commit to we're going to raise a family and that's a project we're going to commit to for 20-something years."
The actor-director said he could be capable of being sexually monogamous during that time, but also said things may change after the kids are grown up.
"I like to not be too committed to any one future that's really far away, necessarily, unless there's a reason, which is why I'm saying if you're gonna raise a family ... I can make that commitment."