James Raymond "Jimmi" Simpson is an American actor who is known for several television and movie roles including 24, It's Always Sunny in Philadelphia, Date Night, and Herbie: Fully Loaded. More recently, Jimmi has had a recurring role in House of Cards, and he is appearing in the re-envisioned Westworld. He is also known for portraying the FBI criminal profiler Mary Lightly on the USA Network original series Psych. He was previously married to Melanie Lynskey, who played Emily Bloom in the episode "Black and Tan: A Crime of Fashion".

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