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Marcus Giamatti

b. 1961

American actor

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About Marcus Giamatti

Born 1961. Marcus Giamatti is an American actor, film actor and television actor.

Marcus Bartlett Giamatti (born October 3, 1961) is an American actor, musician, writer and director. He is best known for being a regular member of the cast of the CBS drama series Judging Amy. He is a graduate of The Yale School of Drama, receiving the Carole Dye Award for Excellence in Performance.

Early life Giamatti was born on October 3, 1961, in New Haven, Connecticut, and is the son of Toni Marilyn (nΓ©e Smith) and former Yale University president and Major League Baseball commissioner A. Bartlett Giamatti, and older brother of actor Paul Giamatti. He attended Foote School, Hopkins School, Bowdoin College in Brunswick, Maine, where he was a member of the Delta Sigma fraternity, and Yale University in New Haven.

Career Giamatti started his career on the soap opera One Life to Live, but is likely best known for his series regular role on the CBS drama series Judging Amy, where he played the title character's older brother Peter Gray throughout the series' six season run (1999-2005). 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. and Criminal Minds. He has less frequently appeared in films, which include Mr. and Mrs. Bridge, Necessary Roughness, and the television docudrama Pirates of Silicon Valley.

Personal life Marcus is married to singer/songwriter Bree Olivea Giamatti (Olivea Watson). Together they have three daughters: Ophelia Rosalee (born in 2009), Floralina Delilah (born in 2012), and Magnolia Pearl (born in 2015).

An accomplished musician, Giamatti plays bass guitar in several bands in Los Angeles, 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.

Giamatti tossed the ceremonial first pitch at the 1989 World Series opener, played in Oakland, California.

From 2010–14, he has guest starred on series including Fringe, The Closer, Revenge, Bones and NCIS: Los Angeles.

He is an associate professor of theatre (tenure track) and head of directing at Temple University in Philadelphia, Pennsylvania, where he teaches acting and directing and regularly directs Temple Theaters productions.

Filmography

Film Year Title Role Notes 1990 Mr. & Mrs. Bridge Gil Davis 1991 Necessary Roughness Sargie 'Fumblina' Wilkinson 1994 Jimmy Hollywood BMW Preppie 1994 3 Ninjas Kick Back Announcer 1999 Judy Berlin Eddie Dillon 2001 The Business of Strangers Robert 2007 On the Doll Uncle Lou 2010 The Chosen One Freddy 2011 Playing Doctor Spencer Short film 2014 The Curse of Downers Grove Rich

Television Year Title Role Notes 1986 Guiding Light Reverend Episode dated 7 March 1986 1989 Another World Jeff 9 episodes 1991 Hunter Jack Kane 1 episode: "Fatal Obsession: Part 1" 1991 Aftermath: The Test of Love Luke TV movie 1992 Quantum Leap Rick Upfield 1 episode: "Roberto!" 1992–1993 Flying Blind Ted Sharperson Main cast22 episodes 1993 Living Single Jack Peabody 1 episode: "Full Court Press" 1994 Monty Principal Newell 1 episode: "The Principal's Interest" 1996 Dream On Salesman 1 episode: "Hey Diddle Diddle" 1997 Path to Paradise: The Untold Story of the World Trade Center Bombing Agent Atkinson TV movie 1998 Cosby Doctor 1 episode: "The Episode Episode" 1999 Homicide: Life on the Street Bernard Abrams 1 episode: "Sideshow: Part 2" 1999 Pirates of Silicon Valley Daniel Kottke TV movie 1999–2005 Judging Amy Peter Gray Main cast138 episodes 2000 Hamlet Guildenstern TV movie 2002 The X-Files John Gillnitz 1 episode: "Jump the Shark" 2005 Criminal Minds Dr. Barry Landman 1 episode: "L.D.S.K." 2007 Crossing Jordan Donald Hagen 1 episode: "Night of the Living Dead" 2007 Cold Case Larry Kenick 1 episode: "The Good Death" 2007 Tell Me You Love Me Jeff 3 episodes: "Episode #1.3", "Episode #1.7", "Episode #1.8" 2008 Life Dave Harris 1 episode: "Black Friday" 2009 Monk John Keyes 1 episode: "Mr. Monk and the Lady Next Door" 2009 The Mentalist Gabriel Fanning 1 episode: "A Dozen Red Roses" 2009 Medium Lane Pauling 1 episode: "The Medium is the Message" 2009 House Keener 1 episode: "Known Unknowns" 2009 CSI: Crime Scene Investigation Chevy Cigs 1 episode: "Lover's Lanes" 2010 NCIS Victor Tillman 1 episode: "Ignition" 2010 Lie to Me Fentris 1 episode: "Darkness and Light" 2010 Fringe Ray Duffy 1 episode: Do Shapeshifters Dream of Electric Sheep?" 2010 Look: The Series Lenny Main cast3 episodes 2010 The Defenders Lawyer #2 1 episode: "Las Vegas vs. Johnson" 2011 Detroit 1-8-7 Vaughn Prince 1 episode: "Ice Man/Malibu" 2011 CSI: Miami Hugh Parker 1 episode: "Blood Lust" 2011 The Closer Glen Lynch 1 episode: "Under Control" 2011 The Young and the Restless Dr. Felix 3 episodes: "Episode #1.9750", "Episode #1.9752", "Episode #1.9755" 2012 Revenge Dr. Ray Clemons 1 episode: "Grief" 2012 Common Law Derek Winfield 1 episode: "Ride-Along" 2012 Blue Lagoon: The Awakening Principal Thomas TV movie 2012 Vegas Scotty Garrity 1 episode: "All That Glitters" 2012–2013 NCIS: Los Angeles CIA Agent Michael Snyder 2 episodes: "Rude Awakenings: Part 2", "Wanted" 2013 Bunheads Mr. Cramer 1 episode: "Channing Tatum Is a Fine Actor" 2013 Franklin & Bash Golf Club Owner 1 episode: "Out of the Blue" 2014 Mighty Med Sonic Shriek 1 episode: "Fantasy League of Superheroes" 2014 Bones Forrest Wakefield 1 episode: "The Master in the Slop" 2014 Perception Joel 1 episode: "Curveball" 2014 Mind Games Jim McKenna 1 episode: "Cauliflower Man" 2014 Starving in Suburbia Michael TV movie 2015 Big Time in Hollywood, FL Detective Jim Zdorkin 2 episodes: "Episode #1.2", "Art Imitates Death" 2015–2016 CSI: Cyber Artie Sneed 3 episodes: "Hack E.R.", "Gone In 6 Seconds", "404: Flight Not Found"2017 S.W.A.T Professor Marc Lasky 1 episode :Radical 2022 Bosch: Legacy Simon Wakefield 4 episodes: "Pumped", "Message in a Bottle", "Horseshoes and Hand Grenades", "Plan B"

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Important facts

Birth century
Nationality
Education
Yale School of Drama, Bowdoin College, Yale University
Employers
University of California, Santa Barbara
Also known as
Marcus Bartlett Giamatti

People in Marcus Giamatti's life

Named in this biography and alive at the same time

Contemporaries

People whose lives overlapped Marcus Giamatti's

Frequently asked questions

Who is Marcus Giamatti?

American actor

When was Marcus Giamatti born?

Marcus Giamatti was born on 3 October 1961 in New Haven.

What is Marcus Giamatti's occupation?

Marcus Giamatti is an actor, film actor and television actor.

What nationality is Marcus Giamatti?

Marcus Giamatti is American.

Sources & further reading

Β· Wikipedia: Marcus Giamatti

Β· Wikidata: Q1894164

Β· DBpedia: Marcus Giamatti

Cite this page

APA: Biography.guide. (2026). Marcus Giamatti. https://biography.guide/marcus-giamatti/

MLA: "Marcus Giamatti." Biography.guide, https://biography.guide/marcus-giamatti/.

Chicago: "Marcus Giamatti." Biography.guide. https://biography.guide/marcus-giamatti/.

Data last updated: 2026-09-22 Β· Spot an error? Report a correction.

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