Marcus is best known for the role of "Peter Gray", on the long-running CBS drama "Judging Amy" (1999).Marcus is also an accomplished, professional bass guitarist, playing in several bands in Los Angeles, including the alternative country artist Olivea Watson (2007 Gibson Artist Of The Year). Marcus is also a session musician, and a member of Musician's Local 47.His extensive theater credits include stints on Broadway in Horton Foote's "Young Man From Atlanta", and "Measure For Measure" at Lincoln Center. Off-Broadway, Marcus has appeared in numerous shows at MTC, The Lambs and WPA. Regionally, he has worked at The Guthrie, Seattle Rep., Yale Rep., Long Wharf, over 20 productions at The Williamstown Theater Festival, Hartford Stage, New Jersey Shakespeare Festival, The Goodman, and The Eugene O'Neill Playrights Conference.

He is the older brother of Paul Giamatti.Son of Bart Giamatti, late president of Yale University, and the major league baseball commissioner who banished Pete Rose from baseball.Is a graduate of the Yale School of Drama.Plays the guitar.He has twice played in The Legends and Celebrity Softball Game as part of The Major League All Star Game, in both Pittsburgh (2006) and San Francisco (2007).A huge Boston Red Sox fan, and Major League Baseball fan.He was the Captain of his high school varsity swimming team, as a senior, at Hopkins, in New Haven, Connecticut.A long time student of the Japanese martial art Ninpo (Ninjutsu).Received the Carol Dye Award for Excellence in Acting upon his graduation from The Yale School Of Drama.At Bowdoin College Marcus received The Alice Merrill Mitchell Award for Acting, as a graduating senior.His bass recording work includes sessions with such distinguished musicians as Doug Pettibone, Lucinda Williams, Don Heffington, Bob Dylan, Skip Edwards, Dwight Yoakum, James Brown and drummer Otis Hayes.Threw out the ceremonial first pitch, before the start of Game 1 of the 1989 World Series, in Oakland, CA.Marcus' great grandfather, Commodore Alfred Brown, was the first and only man to swim the Panama Canal. This was accomplished with permission from President Teddy Roosevelt in 1913, before the canal was opened to commercial traffic.Commodore Brown also assisted Houdini, placing chains and locks on his trunk, and then helping to lower him into one of Manhattan's rivers. He was there as well to rescue Houdini, if he needed it.His grandfather, Abram E. Smith, was the head football coach at Plainfield High School, in New Jersey, from 1943 to 1968. One of his players was Olympic Decathalon Champion Milton Campbell.His grandmother, Kathryn Brown Smith, won the silver medal at the Nationals, in 1927 and 1929, in the 10 meter platform high dive event.Marcus received his Actor's Equity card at The Williamstown Theater Festival in 1987.Played the role of Marlowe, in Goldsmith's "She Stoops To Conquer" at The Seattle Rep, The Guthrie and Long Wharf.Has performed many of Shakespeare's greatest roles from Henry in "Henry V", to the tittle role in "Macbeth", to Bottom in a Midsummer Night's Dream, and Silvius in "As You Like It'".The original bass player for the Southern California jam band the Rebel Soul Band.Brother-in-law of Elizabeth Giamatti.He and his wife Bree have one child, a daughter: Ophelia Rosalee Giamatti.Marcus was a bass student of Jim Stinnett, and The Stinnett School Of Music, an affiliate of The Berklee College of Music, in Boston.Marcus was a member of the Bowdoin College Varsity Swimming Team. He specialized in the 50 and 100 yard Freestyle.Marcus originated the role of Tom Jackson, in the debut Broadway production of Horton Foote's Pulitzer Prize winning and Tony nominated play, The Young Man From Atlanta. UpdateYou may report errors and omissions on this page to the IMDb database managers. They will be examined and if approved will be included in a future update. Clicking the 'Update' button will take you through a step-by-step process.Add resumeWith our Resume service you can add photos and build a complete resume to help you achieve the best possible presentation on the IMDb.Click here to add your resume and/or your photos to IMDb. Browse biographies section by nameA B C D E F G H I J K L M N O P Q R S T U V W X Y Z