Lee Thompson Young

Rizzoli & Isles star Lee Thompson Young is about to end up on the other side of a police investigation.

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Young, who plays Detective Barry Frost, the weak-stomached partner of Angie Harmon's Rizzoli on the TNT cop drama, has landed a guest-starring role on CSI: NY, TVGuide.com has learned exclusively.

He will play Kelvin, a Manhattan accountant who has become successful despite a troubled upbringing in the projects. Although viewed by many in his old neighborhood as a hero, when he becomes the victim of a violent armed robbery, the CSIs will have to dig into his new and old life for answers.

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Besides his work on Rizzoi & Isles, Young has also held recurring roles on Scrubs, FlashForward, Smallville and The Event.

CSI: NY airs Fridays at 9/8c on CBS. Young will appear in this season's penultimate episode, titled "Unwrapped." No air date for the episode has been set.