Marcus Giamatti
Actor

Marcus Giamatti

Marcus Giamatti is credited on 11 movies and 36 TV shows, best known by TMDB votes for House, The Mentalist and Criminal Minds.

Born October 3, 1961 in New Haven, Connecticut, USA.

Filmography · 47 titles

US streaming apps shown for the 12 best-known titles, checked October 5, 2026. Tap any title for where it streams and what it costs.

About Marcus Giamatti

Marcus Giamatti is an American actor, best known for being a regular member of the cast of the CBS drama series Judging Amy. He is the younger brother of actor Paul Giamatti.

Biography from TMDB, written by its community.

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