John Mariano
John Mariano was born on August 5, 1960 in Astoria, New York, USA. He is an actor.
Known for
- CSI: Miami (2002)
- Desperate Housewives (2004)
- JAG (1995)
- The Sopranos (1999)
- The West Wing (1999)
- Young Sheldon (2017)
- Young Sheldon (2017)
- Married... with Children (1987)
- It's Always Sunny in Philadelphia (2005)
- ER (1994)
- The Batman (2004)
- Numb3rs (2005)
- L.A. Law (1986)
- Night Court (1984)
- Batman: The Animated Series (1992)
- Stuart Fails to Save the Universe (2026)
- Animaniacs (1993)
- Matlock (1986)
- Hey Arnold! (1996)
- Hey Arnold! (1996)