Home People Marc Guggenheim Marc Guggenheim shows Marc Guggenheim shows Marc Guggenheim TV Shows (25) 3Below: Tales of Arcadia (2018) He was 48 years old Freedom Fighters: The Ray (2017) He was 47 years old Trollhunters: Tales of Arcadia (2016) He was 46 years old Trollhunters: Tales of Arcadia (2016) He was 46 years old Trollhunters: Tales of Arcadia (2016) He was 46 years old Trollhunters: Tales of Arcadia (2016) He was 46 years old DC's Legends of Tomorrow (2016) He was 45 years old DC's Legends of Tomorrow (2016) He was 45 years old DC's Legends of Tomorrow (2016) He was 45 years old Supergirl (2015) He was 45 years old Vixen (2015) He was 44 years old The Flash (2014) He was 44 years old Arrow (2012) He was 42 years old Arrow (2012) He was 42 years old Arrow (2012) He was 42 years old Arrow (2012) He was 42 years old No Ordinary Family (2010) He was 40 years old FlashForward (2009) He was 39 years old Eli Stone (2008) He was 37 years old Brothers and Sisters (2006) He was 36 years old Jack & Bobby (2004) He was 33 years old L.A. Dragnet (2003) He was 32 years old CSI: Miami (2002) He was 31 years old The Practice (1997) He was 26 years old Law & Order (1990) He was 19 years old
