About:
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.

• Known For
• 
  Pirates of Silicon Valley
  as
  Dan Kottke
• 
  The Business of Strangers
  as
  Robert
• 
  Judy Berlin
  as
  Eddie Dillon
• 
  The Chosen One
  as
  Freddy
• 
  3 Ninjas Kick Back
  as
  Announcer