Michelle Dockery Tackles New TV Role, Her First Since Death of Her Fiancé

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Michelle Dockery, also known as Downton Abbey’s Lady Mary, plays a new, darker role in the TNT series Good Behavior, her first since losing her fiancé John Dineen to cancer last December.

Based on Blake Crouch’s book, the British actress plays Letty Dobesh, an American con artist and thief who’s had it pretty rough. Fresh out of prison, she’s attempting to stay clean, but when she overhears a hit man being hired to kill a man’s wife, she sets out to stop it. Instead, she ends up getting involved in a dangerous and seductive relationship with the charming killer.

According to People, Dockery told reporters at the series premiere on Monday (Nov. 14, 2016) that she “just fell in love” with the Letty and “couldn’t put down” Crouch’s book. “[Letty Raines is] an amazing character to play,” she added. “I was thrilled they had faith in me to do it.”

Dockery’s co-stars also praise her for her professionalism following such personal tragedy. “She’s amazing,” said Juan Diego Botto, who plays Dockery’s character’s love interest. “She’s the kind of actor if you had to choose just one kind of actor to work with for the rest of your life, that would be the kind of actor she is and she’s very passionate about what she does.”

Crouch, who is co-producing the series, said, “It was, like, the best experience in television that I’ve had, working with Michelle, because she was so fearless going into this role. I mean, the character of Letty Raines is this broken, damaged, resilient character, and Michelle was game to just go there and to go to these incredibly dark places and she brought out things in this character that I didn’t even know were there.”

Good Behavior premieres Tuesday, Nov. 15 on TNT.