Ten Minutes with Castle's Seamus Dever

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It's impossible not to like Seamus Dever. After a long stint on General Hospital as Dr. Ian Devlin and a shorter one as Dr. Chris Ferlinghetti on Army Wives, he's now playing the very witty Detective Kevin Ryan, one half of Castle's Ryan-Esposito buddy cop dynamic duo. During our ten minutes on the phone, Dever managed to sing the praises of the Castle marketing team, bust out his best Nathan Fillion impression, and gush about his wife, Julie, who plays Ryan's girlfriend, Jenny, on the show. I spoke to Dever about his on-screen bromance with Jon Huertas, a possible web series for Ryan and Esposito, and what he hopes we'll learn about Ryan's personal life this season.

TV.com: At Comic-Con, I talked to you and Jon about a possible Ryan-Esposito web series. What's the status on that?
Last year Jon and I had written something and we wanted to shoot it. Jon wanted some directorial experience; I wanted some writing experience. And then the whole thing became—it’s not just getting our executive producers to approve it, but shooting it up the ladder and seeing what our bosses say about it because it’s representing ABC as well. It just got so complicated and we ran out of time. So [laugh] to answer your question, nothing is in the works right now, but we hope to do something in the future. It would be a lot of fun.

You and Jon seem to have the perfect bromance. How did you develop that chemistry?
Everyone talks about the elusive thing with chemistry. If you have a romance on screen or anything, the first thing you have to do is become friends with the person. It’s not necessarily about falling in love. When I was on Army Wives , I was the love interest of Catherine Bell. And so I said, "Okay, how do I start cultivating that?" You can’t just walk in and say, "Okay we’re in love." So I hung out with Catherine [and] her husband [and] her daughter. And we had fun that way, and I got to know her as a person, had nice conversations and everything else grew from there.

Sort of the same thing has to happen with a partnership, with a friend. Jon and I got to know each other, we had lunches together. We realized that we knew a lot of [the same] people and that we have a lot of things in common... He cracks me up, he’s very funny. He’ll say something and I’ll just laugh for ten minutes, because he wouldn’t have found it funny, but it’ll just crack me up. He did something the other night at a wedding we were both at. Anyway, yeah... I don’t know if that would’ve happened with another person. I’m thankful it turned out the way it did. If it was any different, Ryan and Esposito might have been a totally different kind of animal.

I've noticed that there's a special type of buddy-cop relationship happening with Ryan and Esposito on Castle, and with Longford (James McDaniel) and Mahajan (Shaun Majumder) on Detroit 1-8-7. Is it an ABC thing, or is it just a coincidence?
It’s very interesting. I don’t know. I don’t think there was a network mandate for that! I think it’s just very smart writing—maybe they’ve observed real cops, because you always have a partner and you work well with them... It’s sort of like a marriage. They argue like they’re married. Outside observers are like, “What are you guys doing? Are you in some sort of relationship?” And you really are, because you spend all those hours together.

With this wedding I was at the other night, there was a real cop there. He’s NYPD, and we asked him about his partner, if it’s really like that. And he said, “Yeah, we have a real special relationship.” And his partner is a female. It doesn’t bother his wife or anything, but that was the way the partnership developed and it’s a real tight bond. They go through some scrapes together and I think that really makes people closer.

How did your wife come to play Ryan’s girlfriend?
[Laugh] Well, I asked very nicely! She’s smart and she's beautiful. So we spent a lot of time with Andrew Marlowe and his wife Terry, who’s one of our writers as well. And they really liked Julie. And so it was one of those things, like, “We've got to get Julie on the show. I hope it’s something where she could come back a couple of times." And then they introduced this idea of Ryan having a girlfriend in Season 1. I think it was Episode 8. And then I went on my campaign to make Julie come on as Ryan’s girlfriend Jenny. And it happened! It wasn’t overnight. It wasn’t like, “I've got a good idea!” It was sort of like, "Let’s hold out and hope that it happens," and it did. I think you’ll be seeing her again pretty soon.

Are we going to learn anything else about Ryan's personal life this season?
I sure hope so. I want Jenny back. I want to find out about Ryan’s past. I want them to explore maybe what he did before he came to be a homicide cop. What was he was doing before as a narcotics detective? There’s lots of stuff in the works. Nothing definite yet. It might be next script, I don’t know. We don’t get next script until like a day before we start shooting it. So it might be two scripts from now. It might be five scripts from now. But I think it will happen this season.

Will Castle (Fillion) ever get to hang out with Ryan or Esposito outside of the precinct?
For the longest time, Nathan was pitching a "road trip to Atlantic City" script—for some reason Ryan actually has to go to Atlantic City to question somebody, and then you know, Castle stows away in the back seat and pops up and they’re like, “Road Trip!” But, that hasn’t happened yet. I think that would be a lot of fun. [Laugh] It would be a good excuse to go to some casinos and hang out.

Castle airs Mondays at 10 p.m. on ABC.

Follow TV.com writer Stefanie Lee on Twitter: @StefAtTVDotCom

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