Home People Mark Verheiden Mark Verheiden shows Mark Verheiden shows Mark Verheiden TV Shows (18) Swamp Thing (2019) He was 63 years old Swamp Thing (2019) He was 63 years old Swamp Thing (2019) He was 63 years old Ash vs Evil Dead (2015) He was 59 years old Marvel's Daredevil (2015) He was 59 years old Constantine (2014) He was 58 years old Hemlock Grove (2013) He was 57 years old Falling Skies (2011) He was 55 years old Caprica (2010) He was 53 years old Heroes (2006) He was 50 years old Battlestar Galactica (2004) He was 48 years old FreakyLinks (2000) He was 44 years old Smallville (2001) He was 45 years old Smallville (2001) He was 45 years old Smallville (2001) He was 45 years old Martial Law (1998) He was 42 years old Timecop (1997) He was 41 years old Perversions of Science (1997) He was 41 years old
