Home People John M. Jackson John M. Jackson shows John M. Jackson shows John M. Jackson TV Shows (21) Perception (2012) As Vincent, He was 62 years old NCIS: Los Angeles (2009) As A.J. Chegwidden, He was 59 years old Castle (2009) As Rod Halstead, He was 58 years old John from Cincinnati (2007) He was 57 years old Jericho (2006) He was 56 years old Ghost Whisperer (2005) He was 55 years old Criminal Minds (2005) As Agent Malcolm Hollins, He was 55 years old Bones (2005) He was 55 years old Grey's Anatomy (2005) He was 54 years old Without a Trace (2002) He was 52 years old Dark Skies (1996) He was 46 years old JAG (1995) He was 45 years old JAG (1995) As Adm. Albert Jethro 'A.J.' Chegwidden, He was 45 years old The Watcher (1995) He was 44 years old Walker, Texas Ranger (1993) He was 42 years old Shannon's Deal (1990) He was 39 years old Family of Spies (1990) As Arthur J Walker, He was 39 years old Probe (1988) He was 37 years old Beauty and the Beast (1987) He was 37 years old Wiseguy (1987) He was 37 years old Hallmark Hall of Fame (1951) He was 1 years old
