Michael Fassbender Dating Costar Nicole Beharie

By Alison Schwartz

05/15/2012 at 10:30 AM EDT

When it comes to romance, Michael Fassbender doesn't necessarily mix work and play – even if his current girlfriend is his former costar.

"Nothing happened while we were filming," he tells GQ magazine in its June issue, confirming his relationship with Shame actress Nicole Beharie, 27. "We started talking more on the promotion thing. So, yeah, it just sort of unfolded like that."

The two first garnered buzz after they were photographed in New York City.

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"I'm seeing Nicole, we're trying to see each other as often as possible," Fassbender, 35, who was linked to Zoë Kravitz last summer, says of their relationship. "That's kind of difficult when she lives [in New York] and I live in England."

Mario Testino / GQ

Next up for Fassbender, whose dramatic turn on the big screen as a sex addict in Shame was decidedly snubbed at last year's Academy Awards: The actor will reportedly star alongside Brad Pitt and Angelina Jolie in The Counselor, in which he'll play the title role of a respected lawyer.