Home People Seamus Dever Seamus Dever shows Seamus Dever shows Seamus Dever TV Shows (20) The Rookie (2018) As Chaz Bachman, He was 42 years old Titans (2018) As Trigon, He was 42 years old Titans (2018) As Trigon / Captain Frank Finney, He was 42 years old MacGyver (2016) As Griggs, He was 40 years old Drop Dead Diva (2009) As Tyler Mack, He was 32 years old Castle (2009) As Kevin Ryan, He was 32 years old Mad Men (2007) He was 30 years old Army Wives (2007) He was 30 years old Ghost Whisperer (2005) He was 29 years old Close to Home (2005) He was 29 years old Threshold (2005) He was 29 years old CSI: NY (2004) He was 28 years old Cold Case (2003) He was 27 years old NCIS (2003) He was 27 years old Without a Trace (2002) He was 26 years old CSI: Miami (2002) He was 26 years old Crossing Jordan (2001) He was 25 years old CSI: Crime Scene Investigation (2000) He was 24 years old Undressed (1999) He was 22 years old Charmed (1998) He was 22 years old
