Marcus Giamatti

Biography

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

House

as Jeffrey Keener

The Mentalist

as Gabriel Fanning

Criminal Minds

as Dr. Barry Landman

Bones

as Forrest Wakefield

The X-Files

as John Gillnitz

Fringe

as Ray Duffy

NCIS

as Victor Tillman

S.W.A.T.

as Professor Marc Lasky

Blue Lagoon: The Awakening

as Principal Thomas

CSI: Crime Scene Investigation

as Chevy Cigs