John Mariano
ActingTotal Credits
72
Acting
72
First Credit
1984
Latest Credit
2025

The Sopranos
Ralph Giorgio
1999

Batman: The Animated Series
Additional Voices (voice)
1992

The West Wing
Bertram
1999

It's Always Sunny in Philadelphia
Johnny
2005

Batman Beyond
Driver (voice)
1999

The New Batman Adventures
Vincenzo (voice)
1997

The Batman
Number 1 (voice)
2004

Young Sheldon
Envelope (voice) · Richard Feynman (voice)
2017

Hey Arnold!
Actor · Zamboni Jones / Banana Guy / Shady Guy (voice) · Vic / Morrie (voice)
1996

Animaniacs
Bobby (voice)
1993

Transformers: Animated
Dirtboss (voice)
2007

The Offer
Anthony Spirachio
2022

Big Shot
Gino
2021

Desperate Housewives
Oliver Preston
2004

ER
Leonard Apfenbach
1994

Married... with Children
Pete
1987

CSI: Miami
Davey Penrod
2002

Superman: The Animated Series
Agent #3 (voice) · Short Order Cook (voice)
1996

Pinky and the Brain
Robert (voice) · Bobby (voice)
1995

Bob Hearts Abishola
Gene
2019

China Beach
Actor
1988

Animaniacs: Wakko's Wish
Bobby / Gas Station Attendant (voice)
1999

Justice League: War
Ice Cream Vendor (voice)
2014

Babylon
Master of Ceremonies
2022

Night Court
Travis Gerkin
1984

Random! Cartoons
Leonardo DaVinci (voice)
2008

JAG
Enrico Amati
1995

The Inside
Keyes
2005

Matlock
Eddie Leeds
1986

L.A. Law
Chet
1986

The Real Adventures of Jonny Quest
Actor
1996

Numb3rs
Derrick Lamberg (uncredited)
2005

The Legend of Tarzan
Joey Marks (voice)
2001

Where's Wally?
(voice)
1991

Captain Planet and the Planeteers
Pepe / Paolo (voice)
1990

Bookie
Ed (O.C.) (voice)
2023

Family Matters
Ring Announcer
1989

Renegade
Tom
1992

Batman: Mystery of the Batwoman
Additional Voices (voice)
2003

Weird Science
Actor
1994

The Bernie Mac Show
Actor
2001

Curious George
Additional Voices (voice)
2006

The Sylvester & Tweety Mysteries
Stanislovsky (voice) · Commandant (voice)
1995

Caroline in the City
Maitre D' · Johnny
1995

Dharma & Greg
Man (uncredited)
1997

Pride and Glory
Task Force Lieutenant
2008

An American Tail: The Mystery of the Night Monster
Twitch (voice)
1999

Blossom
Actor
1990

Silk Stalkings
Actor
1991

Toxic Crusaders
Actor
1991

Spinning Man
Jack
2018

Veronica's Closet
Chris
1997

Pacific Blue
Armand Miller
1996

Booker
Tommy Miranda
1989

Super Hybrid
(Additional Voices)
2011

Dancer and the Dame
Murray
2015

Father of the Pride
Martin Scorsese (voice)
2004

Jesus, Mary and Joey
Carlo
2006

Cattle Call
District Attorney
2006

Pinocchio and the Water of Life
Pierott (voice)
2025