Summer Glau has revealed that she will play a physical role on NBC's upcoming drama The Cape.

The actress told IGN that her character Orwell will face-off against Vince Faraday (David Lyons) in the series premiere.

"She's willing to throw down," Glau explained. "This girl has been on her own since she was 12, so she's incredibly resourceful and she's not afraid of anything. She just makes her own rules."

She added: "If you watch the next episode, you'll see more and more that she gets out of the lair and onto the scene."

The former Firefly star also confirmed that she had visited 'circus school' to prepare her for a story arc in which Orwell goes undercover at a carnival.

"I was only able to go twice," she said. "I thought I was going to hate it [but I had] the time of my life. It was really fun!"

She continued: "There are things that Orwell may have done in her life before [the show] and it's coming out very slowly, because we're on a mission and it's always do-or-die time. So that [carnival] scene was a moment of reflection that I thought was really beautiful."

The Cape will launch with a two-hour premiere on January 9. The first episode will be repeated in the show's regular timeslot at 9/8c the following Monday.

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