John Mariano

Animaniacs

as Bobby (voice)

Episodes: 275

First Aired: Sep 13, 1993

Caroline in the City

as Johnny

Episodes: 11

First Aired: Sep 21, 1995

Fender Bender 500

as Wally Gator (voice)

Episodes: 10

First Aired: Sep 17, 1990

Desperate Housewives

as Oliver Preston

Episodes: 8

First Aired: Oct 03, 2004

Veronica's Closet

as Chris

Episodes: 5

First Aired: Sep 25, 1997

Night Court

as Travis Gerkin

Episodes: 3

First Aired: Jan 04, 1984

Family Matters

as Ring Announcer

Episodes: 2

First Aired: Sep 22, 1989

It's Always Sunny in Philadelphia

as Johnny

Episodes: 2

First Aired: Aug 04, 2005

Hey Arnold!

as Vic / Morrie (voice)

Episodes: 2

First Aired: Oct 07, 1996

The Sylvester & Tweety Mysteries

as Stanislovsky (voice)

Episodes: 2

First Aired: Sep 09, 1995

Pacific Blue

as Armand Miller

Episodes: 1

First Aired: Mar 02, 1996

Batman Beyond

as Driver (voice)

Episodes: 1

First Aired: Jan 10, 1999

L.A. Law

as Chet

Episodes: 1

First Aired: Sep 15, 1986

CSI: Miami

as Davey Penrod

Episodes: 1

First Aired: Sep 23, 2002

Caroline in the City

as Maitre D'

Episodes: 1

First Aired: Sep 21, 1995

The Legend of Tarzan

as Joey Marks (voice)

Episodes: 1

First Aired: Sep 03, 2001

Dharma & Greg

as Man (uncredited)

Episodes: 1

First Aired: Sep 24, 1997

JAG

as Enrico Amati

Episodes: 1

First Aired: Sep 23, 1995

Superman: The Animated Series

as Agent #3 (voice)

Episodes: 1

First Aired: Sep 06, 1996

The Inside

as Keyes

Episodes: 1

First Aired: Jun 08, 2005

Young Sheldon

as Envelope (voice)

Episodes: 1

First Aired: Sep 25, 2017

The New Batman Adventures

as Vincenzo / Bodyguard (voice)

Episodes: 1

First Aired: Sep 13, 1997

Big Shot

as Gino

Episodes: 1

First Aired: Apr 16, 2021

Batman: The Animated Series

as Additional Voices (voice)

Episodes: 1

First Aired: Sep 05, 1992

Superman: The Animated Series

as Short Order Cook (voice)

Episodes: 1

First Aired: Sep 06, 1996

Renegade

as Tom

Episodes: 1

First Aired: Sep 19, 1992

The Sopranos

as Ralph Giorgio

Episodes: 1

First Aired: Jan 10, 1999

Random! Cartoons

as Leonardo DaVinci (voice)

Episodes: 1

First Aired: Dec 06, 2008

Married... with Children

as Pete

Episodes: 1

First Aired: Apr 05, 1987

Young Sheldon

as Richard Feynman (voice)

Episodes: 1

First Aired: Sep 25, 2017

Hey Arnold!

as Zamboni Jones / Banana Guy / Shady Guy (voice)

Episodes: 1

First Aired: Oct 07, 1996

The Sylvester & Tweety Mysteries

as Commandant (voice)

Episodes: 1

First Aired: Sep 09, 1995

Father of the Pride

as Martin Scorsese (voice)

Episodes: 1

First Aired: Aug 31, 2004

Where's Wally?

as (voice)

Episodes: 1

First Aired: Sep 14, 1991

Batman: The Brave and the Bold

as Mobster (voice)

Episodes: 1

First Aired: Nov 14, 2008

The Offer

as Anthony Spirachio

Episodes: 1

First Aired: Apr 28, 2022

The Batman

as Number 1 (voice)

Episodes: 1

First Aired: Sep 11, 2004

Pinky and the Brain

as Head Gendarm (voice)

Episodes: 1

First Aired: Sep 09, 1995

Bob Hearts Abishola

as Gene

Episodes: 1

First Aired: Sep 23, 2019

Transformers: Animated

as Dirtboss (voice)

Episodes: 1

First Aired: Dec 26, 2007

The West Wing

as Bertram

Episodes: 1

First Aired: Sep 22, 1999

ER

as Leonard Apfenbach

Episodes: 1

First Aired: Sep 19, 1994

Batman: The Brave and the Bold

as Henchman / Mobster (voice)

Episodes: 1

First Aired: Nov 14, 2008

Bookie

as Ed (O.C.) (voice)

Episodes: 1

First Aired: Nov 30, 2023