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.
as Frank
as Frank Thompson (segment "Segment #1")
as Simon Wakefield(3 eps)
as Professor Marc Lasky(1 ep)
as Rich
as Detective Jim Zdorkin(5 eps)
as Artie Sneed(1 ep)
as Michael
as Sonic Shriek(1 ep)
as Joel (Conley's Agent)(1 ep)
as Principal Thomas
as Derek Winfield(1 ep)
as Don(1 ep)
as Dr. Ray Clemons(1 ep)
as Golf Club Owner(1 ep)
as Gerry Gertz(1 ep)
as Lawyer(1 ep)
as Freddy
as CIA Agent Michael Snyder(2 eps)
as Fentris(1 ep)
as Gabriel Fanning(1 ep)
as Ray Duffy(1 ep)
as Uncle Lou
as Zak Sutter(1 ep)
as Dr. Barry Landman(1 ep)
as Forrest Wakefield(1 ep)
as Glen Lynch(1 ep)
as Lance Pauling(1 ep)
as Jeffrey Keener(1 ep)
as Larry Kenick(1 ep)
as Victor Tillman(1 ep)
as Hugh Parker(1 ep)
as John Keyes(1 ep)
as Donald Hagen(1 ep)
as Robert
as Guildenstern
as Chevy Cigs(1 ep)
as Eddie Dillon
as Peter Gray(138 eps)
as Dan Kottke
as BMW Preppie
as Announcer
as John Gillnitz(1 ep)
as Jack Peabody(1 ep)
as Bernard Abrams(1 ep)
as Ted Sharperson(22 eps)
as Sargie 'Fumblina' Wilkinson
as Luke
as Gil Davis
as Salesman(1 ep)
as Rick Upfield(1 ep)
as Jack Kane(1 ep)