Home People Keith Diamond Keith Diamond shows Keith Diamond shows Keith Diamond TV Shows (8) Castle (2009) As Jared Swanstrom, He was 46 years old Burn Notice (2007) He was 45 years old Prison Break (2005) As Tim Giles, He was 43 years old Weeds (2005) As Tusk, He was 43 years old NCIS (2003) As Gregory Nutt, He was 41 years old Family Law (1999) He was 37 years old Men in Black: The Series (1997) As Agent J, He was 35 years old Martin (1992) He was 30 years old
