John Mariano was born on August 5, 1960 in Astoria, New York, USA. He is an actor.

KNOWN FOR

Desperate Housewives
2006
CSI: Miami
2004
JAG
1999
The Sopranos
2000
The West Wing
2000
Young Sheldon
2021
Married... with Children
1993
It's Always Sunny in Philadelphia
2007
ER
1995
Numb3rs
2005
L.A. Law
1991
Night Court
1991

FILMOGRAPHY

All
Movies
TV
Acting
82
2026
They Killed Pedro
as CIA Agent (Voice)
2026
Stuart Fails to Save the Universe
as Giorgio
2025
Pinocchio and the Water of Life
as Pierott (voice)
2025
Bookie
as Ed (O.C.) (voice)
2022
Babylon
as Master of Ceremonies
2022
The Offer
as Anthony Spirachio
2021
Young Sheldon
as Envelope (voice)
2021
Big Shot
as Gino
2020
Young Sheldon
as Richard Feynman (voice)
2020
Bob Hearts Abishola
as Gene
2020
Stars in the House
as Self
2018
Spinning Man
as Jack
2015
Dancer and the Dame
as Murray
2014
Justice League: War
as Ice Cream Vendor (voice)
2011
Super Hybrid
as (Additional Voices)
2009
Random! Cartoons
as Leonardo DaVinci (voice)
2009
Transformers: Animated
as Dirtboss (voice)
2008
Pride and Glory
as Task Force Lieutenant
2008
The Batman
as Number 1 (voice)
2007
It's Always Sunny in Philadelphia
as Johnny
2006
Jesus, Mary and Joey
as Carlo
2006
Dizzy & Bop's Big Adventure: The Great Music Caper
as (voice)
2006
Curious George
as Additional Voices (voice)
2006
Cattle Call
as District Attorney
2006
Desperate Housewives
as Oliver Preston
2006
The Inside
as Keyes
2005
Numb3rs
as Derrick Lamberg (uncredited)
2005
Father of the Pride
as Martin Scorsese (voice)
2005
The Bernie Mac Show
2004
CSI: Miami
as Davey Penrod
2003
Batman: Mystery of the Batwoman
as Additional Voices (voice)
2002
Hey Arnold!
2001
The Legend of Tarzan
as Joey Marks (voice)
2001
Philly
2000
Batman Beyond
as Driver (voice)
2000
18 Wheels of Justice
2000
The Sopranos
as Ralph Giorgio
2000
The West Wing
as Bertram
1999
An American Tail: The Mystery of the Night Monster
as Twitch (voice)
1999
Cool Crime
as Roberto
1999
Animaniacs: Wakko's Wish
as Bobby / Gas Station Attendant (voice)
1999
JAG
as Enrico Amati
1999
Superman: The Animated Series
as Short Order Cook (voice)
1999
Veronica's Closet
as Chris
1998
With Friends Like These
as Arthur
1998
Superman: The Animated Series
as Agent #3 (voice)
1998
The New Batman Adventures
as Vincenzo (voice)
1998
The Sylvester & Tweety Mysteries
as Stanislovsky (voice)
1998
The Sylvester & Tweety Mysteries
as Commandant (voice)
1998
Pinky and the Brain
as Bobby (voice)
1997
Toxic Crusaders: The Movie
1997
Pacific Blue
as Armand Miller
1997
Pinky and the Brain
as Robert (voice)
1997
Dharma & Greg
as Man (uncredited)
1996
The Real Adventures of Jonny Quest
1996
Weird Science
1996
Renegade
as Tom
1996
Hey Arnold!
as Zamboni Jones / Banana Guy / Shady Guy (voice)
1996
Hey Arnold!
as Vic / Morrie (voice)
1996
Captain Planet and the Planeteers
as Pepe / Paolo (voice)
1996
The Tick
as Sewer Czar (voice)
1995
Caroline in the City
as Maitre D'
1995
The Watcher
1995
Caroline in the City
as Johnny
1995
ER
as Leonard Apfenbach
1994
Silk Stalkings
1993
The Louie N' Louie Show in: A Seedy Situation
as Bubbles
1993
Blossom
1993
Married... with Children
as Pete
1993
Animaniacs
as Bobby (voice)
1992
Batman: The Animated Series
as Additional Voices (voice)
1991
L.A. Law
as Chet
1991
Family Matters
as Ring Announcer
1991
Toxic Crusaders
1991
Where's Wally?
as (voice)
1991
Night Court
as Travis Gerkin
1990
Wake, Rattle, and Roll
1990
Booker
as Tommy Miranda
1990
Fender Bender 500
as Wally Gator (voice)
1988
China Beach
1986
Tough Guys
as Teller #2
1986
Matlock
as Eddie Leeds