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Episode 3.6 - Oct. 25, 2010

Lee plays Marcus Gates, a serial killer who will match wits with the series' lead characters, Richard Castle (Nathan Fillion) and Kate Beckett (Stana Katic).

In an item on Sept. 16, 2010, Michael Ausiello of Entertainment Weekly reported:

Tergesen has been cast in the potentially recurring role of Gates, a shrewd, hardened, and violent felon who becomes the prime suspect in this seasonís big serial-killer investigation.

Tergesenís character turns up in episode 7 when Castle and Beckett ID him as the Triple Killer (aka 3XK), a serial murderer who strangled six women four years earlier and has now struck again. As coolheaded as he is cold-blooded, Gates is more than a match for Beckett and Castle.

"Heís going to be somebody that really ends up challenging Beckett and Castle," reveals exec producer Andrew W. Marlowe. "Castle and Beckett have cracked every case that theyíve been on, and we want to introduce somebody who is more of a worthy opponent to Beckettís police skills and Castleís story skills."

Here's the official synopsis from ABC:

When a beautiful woman is found dead in an alley, all clues point to her being a victim of the notorious Triple Killer. The Triple Killer, or 3XK, terrorized New York City four years ago, then mysteriously disappeared. Now he's back. In a deadly battle of wits, Castle and Beckett race against time to stop 3XK before he claims his next victims.

Lee Tergesen of "Oz" (as Marcus Gates, a violent felon and prime suspect in the serial killer investigation) and Michael Mosley of "Scrubs" (Gates' former cellmate) guest star in "3XK," one of the most thrilling episodes of the series to date.

In an item on E! Online, Fillion talked about Lee's role: "I don't know if you noticed this, but we tend to catch every murderer we go after. Now, there's a guy out there who we find is more than a match for our heroes."

Also in the E! item, Marlowe said: "We've always caught our guy, and here's somebody who presents themselves as an incredibly smart match for Beckett and Castle. And I think it's fun to see this character match wits with our guys."

In the series, Castle is a famous author who was called in by the NYPD to help solve a copy-cat murder. He becomes intrigued by Detective Beckett and discovers a new source of inspiration in her. Castle continues to use his knowledge and skills to help solve murders.

Jon Huertas, one of Lee's co-stars from "Generation Kill," also is a series regular.

A New York Post blog posted a Q&A with Jon Huertas on Sept. 27, 2010, which included this news from Jon:

The episode we're shooting right now, the seventh, is my favorite so far. It's about a serial killer, which poses a much bigger challenge to our team because we tend to always solve the murders. This guy [played by Lee Tergesen] gets away and heís going to come back. But there's a huge twist!

Lee himself described his "Castle" character in an interview with Daemonstv.com, posted Oct. 25, 2010.

Itís always fun to play psychos. What can I say, itís my stock and trade. ... He is a guy whoís very smart and sort of pops up and has killed someone. They realize that there are similarities between this latest victim and a series of other killings, the Triple X Killer. So they find me and start to question me, but Iím very wily and I have an answer for everything. Somehow the more Beckett tries to corner me the more that I seem to slip away from her and she finds it unbelievably frustrating.

Lee was unsure whether the character will return: "I definitely hope that I get to go back," he said in the Daemonstv.com interview "They were definitely talking to me about it but I donít know how thatís going to work or when it will work. But you never know."


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Related Links


ABC official Castle page

Ausiello casting scoop

Interview with Lee
on Daemonstv.com