Home People John Allen Nelson John Allen Nelson shows John Allen Nelson shows John Allen Nelson TV Shows (28) Crazy Ex-Girlfriend (2015) As Silas Bunch, He was 56 years old Red Band Society (2014) As Jon Chota, He was 55 years old Crisis (2014) As President Devore, He was 54 years old Drop Dead Diva (2009) As D.A. Callahan, He was 49 years old Castle (2009) As Walter Dennis, He was 49 years old Privileged (2008) He was 49 years old Saving Grace (2007) He was 47 years old Burn Notice (2007) He was 47 years old Vanished (2006) He was 46 years old Criminal Minds (2005) As Dan Murphy, He was 46 years old Close to Home (2005) He was 46 years old Grey's Anatomy (2005) He was 45 years old NCIS (2003) As JSOC Vice Admiral Lloyd Manditsky, He was 44 years old Without a Trace (2002) He was 43 years old CSI: Miami (2002) He was 43 years old 24 (2001) As Walt Cummings, He was 42 years old Sheena (2000) He was 41 years old CSI: Crime Scene Investigation (2000) As Roger Gentry, He was 41 years old Seven Days (1998) He was 39 years old Early Edition (1996) He was 37 years old Friends (1994) As Paul, He was 35 years old Sweet Justice (1994) He was 35 years old Booker (1989) He was 30 years old Baywatch (1989) As John D. Cort, He was 29 years old Quantum Leap (1989) He was 29 years old Matlock (1986) He was 26 years old Murder, She Wrote (1984) He was 25 years old Scarecrow and Mrs. King (1983) He was 24 years old
