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Marcus Giamatti

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Marcus Giamatti
Name Marcus Bartlett Giamatti
Birth Date October 3, 1961
Birth Place New Haven, CT
Family Angelo Giamatti (father; deceased)
Tori Giamatti (mother)
Paul Giamatti (brother)
Years Active 1986-present

Marcus Bartlett Giamatti is an American actor and musician.


Giamatti was born in New Haven, Connecticut, on October 3, 1961, to Toni and Angelo Giamatti. His older brother was fellow actor Paul Giamatti. He attended The Foote School, Hopkins School, Bowdoin College, and finally Yale University's School of Drama in New Haven, Connecticut. At the latter, he received the Carole Dye Award for Excellence in Acting. Giamatti started his career on the soap-opera One Life to Live, but is likely best known for his role on the CBS-produced drama series Judging Amy, in which he portrayed the titular character's older brother Peter Gray throughout the series' run of six seasons.

He has also guest-starred on a number of popular series, such as The X-Files, Homicide: Life on the Street, Monk, The Mentalist, House M.D., Criminal Minds, Fringe, The Closer, Revenge, Bones, and NCIS: Los Angeles. Giamatti has less frequently appeared in feature films, including Mr. and Mrs. Bridge, Necessary Roughness, and the made-for-TV documentary drama Pirates of Silicon Valley. Giamatti was also a musician and plays bass guitar in several bands in Los Angeles, California, including the alternative folk-rock group Olivea and the psychedelic jam band Rebel Soul. He is also a session musician and a member of Musicians Local 47.

On Criminal MindsEdit

Giamatti portrayed the narcissistic Doctor Barry Landman, a suspect in a series of sniper attacks, in the Season One episode L.D.S.K.


For a full filmography, see here.

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