09/16/2014 11:38 am ET Updated Sep 16, 2014

Zachary Quinto Promised Lena Dunham He Wouldn't 'Spill The Beans' About His 'Girls' Role

Zachary Quinto will be featured on "Girls" next season, but his plotline remains an incredibly well-guarded secret.

"I promised Lena I wouldn't spill the beans," he told HuffPost Live's Ricky Camilleri in an interview to promote "The Chair," his new Starz series.

That was the end of all discussion regarding his story on the show, but his ironclad privacy clause didn't stop the actor from raving about "Girls" showrunner Lena Dunham at length.

"I just love her through and through," he said. "I think she's so insightful and observant and intelligent and articulate, and that show captures so much of a that generation, and I feel like I'm even a little bit separated from that generation of people who are a decade or more younger than me now, but it was great to be a part of it."

Still, the question remains: will Quinto be playing Shoshanna's half-brother? Hannah's grad-school friend? Marnie's accountant? Jessa's butler? Elijah's cable man? Adam's digital strategist? The suspense is killing us.

Watch the rest of HuffPost Live's conversation with Zachary Quinto here.

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