Home People Mark Derwin Mark Derwin shows Mark Derwin shows Mark Derwin TV Shows (23) 9-1-1 (2018) As Thomas, He was 57 years old Bosch (2014) He was 53 years old The Bonnie Hunt Show (2008) He was 47 years old The Secret Life of the American Teenager (2008) As George Juergens, He was 47 years old Chuck (2007) As Detective Conway, He was 46 years old Big Day (2006) He was 46 years old Heist (2006) He was 45 years old How I Met Your Mother (2005) He was 44 years old Boston Legal (2004) He was 43 years old Medical Investigation (2004) He was 43 years old On Air with Ryan Seacrest (2004) He was 43 years old NCIS (2003) He was 42 years old Without a Trace (2002) He was 41 years old CSI: Miami (2002) He was 41 years old Life with Bonnie (2002) As Mark Malloy, He was 41 years old 24 (2001) He was 41 years old CSI: Crime Scene Investigation (2000) He was 39 years old Bonnie (1995) He was 34 years old Touched by an Angel (1994) He was 33 years old Party of Five (1994) He was 33 years old Diagnosis: Murder (1993) He was 33 years old Silk Stalkings (1991) He was 31 years old One Life to Live (1968) He was 7 years old
