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.
Pirates of Silicon Valley
Role(s): Dan Kottke
The Business of Strangers
Role(s): Robert
Judy Berlin
Role(s): Eddie Dillon
The Chosen One
Role(s): Freddy
3 Ninjas Kick Back
Role(s): Announcer