Home People David Costabile David Costabile shows David Costabile shows David Costabile TV Shows (10) Billions (2016) As Michael "Wags" Wagner, He was 49 years old Low Winter Sun (2013) As Simon Boyd, He was 46 years old Elementary (2012) As Danilo Gura, He was 45 years old Person of Interest (2011) He was 44 years old Suits (2011) As Daniel Hardman, He was 44 years old Breaking Bad (2008) As Gale Boetticher, He was 41 years old Flight of the Conchords (2007) He was 40 years old Flight of the Conchords (2007) As Doug, He was 40 years old Law & Order: Criminal Intent (2001) He was 34 years old Will & Grace (1998) He was 31 years old
