
Acting · 65 years old
Astoria, New York, USA
John Mariano was born on August 5, 1960 in Astoria, New York, USA. He is an actor.

The Sopranos
Ralph Giorgio

Batman: The Animated Series
Additional Voices (voice)

It's Always Sunny in Philadelphia
Johnny

The West Wing
Bertram

Batman Beyond
Driver (voice)

Young Sheldon
Envelope (voice)

Young Sheldon
Richard Feynman (voice)

The Batman
Number 1 (voice)

Hey Arnold!

Hey Arnold!
Zamboni Jones / Banana Guy / Shady Guy (voice)

Hey Arnold!
Vic / Morrie (voice)

Transformers: Animated
Dirtboss (voice)

Animaniacs
Bobby (voice)

The New Batman Adventures
Vincenzo (voice)

The Offer
Anthony Spirachio

Big Shot
Gino

Desperate Housewives
Oliver Preston

ER
Leonard Apfenbach

Married... with Children
Pete

CSI: Miami
Davey Penrod