John Mariano

Born August 5, 1960· Astoria, New York, USA

56Roles★ 7.1Average rating

Emerging from the American nightclub circuit, Mariano honed his craft in improvisational sketch groups before breaking into cinema with a cameo as a nervous bank clerk in the ensemble drama Tough Guys alongside Burt Lancaster and Kirk Douglas. His on-screen persona blends a hard-edged demeanor with slapstick timing, drawing parallels to the physical comedy of Jerry Lewis and Buster Keaton, a compa…

Biography written by WatchMoods, based on public sources

Known for

Filmography

The Sopranos

The Sopranos1999

Batman: The Animated Series

Batman: The Animated Series1992

Additional Voices (voice)

It's Always Sunny in Philadelphia

It's Always Sunny in Philadelphia2005

Young Sheldon

Young Sheldon2017

Envelope (voice)

Batman Beyond

Batman Beyond1999

Hey Arnold!

Hey Arnold!1996

Desperate Housewives

Desperate Housewives2004

Animaniacs

The New Batman Adventures

The New Batman Adventures1997

Vincenzo (voice)

Stuart Fails to Save the Universe

Stuart Fails to Save the Universe2026

Leonard Apfenbach

CSI: Miami

Married... with Children

Married... with Children1987

Pinky and the Brain

Pinky and the Brain1995

Babylon

Master of Ceremonies

JAG

Captain Planet and the Planeteers

Captain Planet and the Planeteers1990

Pepe / Paolo (voice)

Weird Science

Weird Science1994

Family Matters

Family Matters1989

Batman: Mystery of the Batwoman

Batman: Mystery of the Batwoman2003

Additional Voices (voice)

An American Tail: The Mystery of the Night Monster

An American Tail: The Mystery of the Night Monster1999

Pride and Glory

Pride and Glory2008

Task Force Lieutenant