Home People John Mariano John Mariano shows John Mariano shows John Mariano TV Shows (33) It's Always Sunny in Philadelphia (2005) As Johnny, He was 44 years old The Inside (2005) He was 44 years old Numb3rs (2006) He was 45 years old Desperate Housewives (2004) He was 44 years old CSI: Miami (2002) He was 42 years old Philly (2001) He was 41 years old The Legend of Tarzan (2001) He was 41 years old 18 Wheels of Justice (2000) He was 39 years old The Sopranos (1999) As Ralph Giorgio, He was 38 years old Batman Beyond (1999) He was 38 years old Dharma & Greg (1997) He was 37 years old The New Batman Adventures (1997) He was 37 years old Hey Arnold! (1996) He was 36 years old Superman: The Animated Series (1996) He was 36 years old The Real Adventures of Jonny Quest (1996) He was 36 years old Pacific Blue (1996) He was 35 years old Caroline in the City (1995) He was 35 years old Pinky and the Brain (1995) He was 35 years old Pinky and the Brain (1995) As Head Gendarm (voice), He was 35 years old The Watcher (1995) He was 34 years old ER (1994) He was 34 years old Weird Science (1994) He was 33 years old Walker, Texas Ranger (1993) He was 32 years old Renegade (1992) As Tom, He was 32 years old Silk Stalkings (1991) He was 31 years old Blossom (1990) He was 29 years old Toxic Crusaders (1991) He was 30 years old Wake, Rattle, and Roll (1990) He was 30 years old Booker (1989) He was 29 years old Family Matters (1989) He was 29 years old China Beach (1988) He was 27 years old L.A. Law (1986) He was 26 years old Night Court (1984) He was 23 years old
