“It was actually the most fun I had had on the show in a while," Penn told MTV. "It was something new for my character, and I was having fun with the rapport, and I think my dialogue benefited from it. It was actually a lot of fun to work with Leighton. [...] We were like the only two who had never really interacted."
That’s good news for GG, since Penn has been less than enthusiastic when talking about his UES gig of late. On working with Leighton, he added, “It was great. We all get along pretty impeccably, even after four years. I mean there are ups and downs, as there are in anything. It's great. I've actually really enjoyed working with her." Translation: I really enjoyed not sharing a scene with my ex, for once.
As for the plotline moving forward, Penn isn’t spilling, though he does reveal this little tease: "I don’t know how much I can give away [but it] doesn’t end the way you think it does.”