The Walking Dead (2012, TV Series, writer) Ray Donovan (2014) as Mike Renzetti Scorpion (2016, TV Series) as Patrick Grady Damien (2016, TV Series) as Lieutenant Murnau The Poison Rose (2019) as Richard Gregory References External links People from East Boston, Boston American male film actors American male screenwriters Living people 21st-century American male actors Male actors from Boston Writers from Boston American television writers American male television actors 20th-century American male actors Television producers from Massachusetts American male television writers 1958 births Screenwriters from Massachusetts