Patrick Thomas O'Brien

Saved by the Bell

Mr. Dewey

2020

It's Always Sunny in Philadelphia

Associate

2005

Drake & Josh

Minister

2004

Carnivàle

Clark

2003

Monk

Brent Donovan

2002

Reba

Mr. Devaney

2001

State of Grace

Bill

2001

CSI: Crime Scene Investigation

Edward Cormier

2000

Gilmore Girls

Brian's Dad

2000

Son of the Beach

2000

Malcolm in the Middle

Dad Driver

2000

Roswell

Minister

1999

The West Wing

Hanson

1999

Felicity

Dan Waldron

1998

Working

Carl

1997

Union Square

Kenny

1997

Dharma & Greg

Roger

1997

Sabrina, the Teenage Witch

Index Man

1996

7th Heaven

Professor Valentine

1996

Boston Common

Ron

1996

Caroline in the City

Councilman Hardy

1995

The Naked Truth

Lab Man

1995

Sliders

Jake

1995

Cybill

Tweedy Man

1995

ER

Carmichael

1994

Babylon 5

Cart Owner

1994

Lois & Clark: The New Adventures of Superman

Barker

1993

Saved by the Bell: The New Class

Mr. Dewey

1993

The John Larroquette Show

Mr. Hunter

1993

The Larry Sanders Show

Carl Henckel

1992

Step by Step

Reverend

1991

Home Improvement

Ink Ingram

1991

Parker Lewis Can't Lose

Mr. Kubiac

1990

Family Matters

Mr. Denton

1989

Saved by the Bell

Mr. Dewey

1989

Baywatch

1989

The Wonder Years

Mr. Santa

1988

Jake and the Fatman

1987

Married... with Children

Wally

1987

Night Court

Ernie Carter

1984

The Facts of Life

1979