Cast & creator
John Mariano
Best known for Desperate Housewives, CSI: Miami, JAG
John Mariano was born on August 5, 1960 in Astoria, New York, USA. He is an actor.
20
film credits
62
television credits
82
1984–2026 · acting roles
7.0
average across scored titles
Signature credits
Known for
Across film & television
Filmography (82)
Showing 82 of 82 credits
Desperate Housewives
Oliver Preston
2004
CSI: Miami
Davey Penrod
2002
JAG
Enrico Amati
1995
The Sopranos
Ralph Giorgio
1999
The West Wing
Bertram
1999
Young Sheldon
Envelope (voice)
2017Young Sheldon
Richard Feynman (voice)
2017
Married... with Children
Pete
1987
It's Always Sunny in Philadelphia
Johnny
2005
ER
Leonard Apfenbach
1994
Numb3rs
Derrick Lamberg (uncredited)
2005
L.A. Law
Chet
1986
Night Court
Travis Gerkin
1984
Batman: The Animated Series
Additional Voices (voice)
1992
Matlock
Eddie Leeds
1986
Animaniacs
Bobby (voice)
1993
Hey Arnold!
1996Hey Arnold!
Zamboni Jones / Banana Guy / Shady Guy (voice)
1996Hey Arnold!
Vic / Morrie (voice)
1996
The Batman
Number 1 (voice)
2004
Family Matters
Ring Announcer
1989
Renegade
Tom
1992
Stuart Fails to Save the Universe
Giorgio
2026
The Bernie Mac Show
2001
Pacific Blue
Armand Miller
1996
Superman: The Animated Series
Agent #3 (voice)
1996Superman: The Animated Series
Short Order Cook (voice)
1996
Batman Beyond
Driver (voice)
1999
Silk Stalkings
1991
Caroline in the City
Maitre D'
1995Caroline in the City
Johnny
1995
Babylon
Master of Ceremonies
2022
Stars in the House
Self
2020
Blossom
1990
Captain Planet and the Planeteers
Pepe / Paolo (voice)
1990
Bob Hearts Abishola
Gene
2019
Dharma & Greg
Man (uncredited)
1997
China Beach
1988
Weird Science
1994
The New Batman Adventures
Vincenzo (voice)
1997
The Sylvester & Tweety Mysteries
Commandant (voice)
1995The Sylvester & Tweety Mysteries
Stanislovsky (voice)
1995
The Real Adventures of Jonny Quest
1996
The Legend of Tarzan
Joey Marks (voice)
2001
Pinky and the Brain
Robert (voice)
1995Pinky and the Brain
Bobby (voice)
1995
Veronica's Closet
Chris
1997
The Tick
Sewer Czar (voice)
1994
Bookie
Ed (O.C.) (voice)
2023
Transformers: Animated
Dirtboss (voice)
2007
Big Shot
Gino
2021
Random! Cartoons
Leonardo DaVinci (voice)
2008
Booker
Tommy Miranda
1989
The Offer
Anthony Spirachio
2022
18 Wheels of Justice
2000
Father of the Pride
Martin Scorsese (voice)
2004
Wake, Rattle, and Roll
1990
Curious George
Additional Voices (voice)
2006
The Inside
Keyes
2005
Philly
2001
Fender Bender 500
Wally Gator (voice)
1990
Justice League: War
Ice Cream Vendor (voice)
2014
Where's Wally?
(voice)
1991
Spinning Man
Jack
2018
Batman: Mystery of the Batwoman
Additional Voices (voice)
2003
Pride and Glory
Task Force Lieutenant
2008The Watcher
1995
Toxic Crusaders
1991
An American Tail: The Mystery of the Night Monster
Twitch (voice)
1999
Animaniacs: Wakko's Wish
Bobby / Gas Station Attendant (voice)
1999
Tough Guys
Teller #2
1986
Cattle Call
District Attorney
2006
Pinocchio and the Water of Life
Pierott (voice)
2025
With Friends Like These
Arthur
1998
Jesus, Mary and Joey
Carlo
2006
Super Hybrid
(Additional Voices)
2011
Toxic Crusaders: The Movie
1997
Dancer and the Dame
Murray
2015
Dizzy & Bop's Big Adventure: The Great Music Caper
(voice)
2006
They Killed Pedro
CIA Agent (Voice)
2026
The Louie N' Louie Show in: A Seedy Situation
Bubbles
1993
Cool Crime
Roberto
1999