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John O'Brien

Acting

IMDb

Filmography50+ titles

Malcolm in the Middle

2000as Sales Clerk

Friends

1994as Airline Employee

The X-Files

1993as Missionary #2

Criminal Minds

2005as Dr. Meyer

The West Wing

1999as Reporter

9-1-1

2018as Rod Billings

Shameless

2011as Father Monroe

Victorious

2010as Mr. Mooney

Grey's Anatomy

2005as Lab Tech Jeffrey

Scrubs

2001as Man

Mad Men

2007as Phil Kennedy

S.W.A.T.

2017as Weber

Pretty Little Liars

2010as Principal Hackett

Community

2009as Chaplin

Monk

2002as Maitre'd

Boston Legal

2004as Clerk #2

Desperate Housewives

2004as Dr. Wheeler

Austin & Ally

2011as Mr. Neidermeyer

Light as a Feather

2018as Reverend Fahey

The Middleman

2008as Newscaster

Chuck

2007as Older CIA Tech

The Practice

1997as Foreman

Superstore

2015as Mike

NCIS

2003as Bruce

Bob Hearts Abishola

2019as James

Medium

2005as Hotel Clerk

Two and a Half Men

2003as Waiter

Hacks

2021as Duncan

Workaholics

2011as Doctor

Mom

2013as Waiter

Perry Mason

2020as Ernie Magnuson

Flicka

2006as Mr. Masterson

Less Than Perfect

2002as Executive

Will & Grace

1998as Salesperson

Dirty John

2018as Cameron Scott

Don't Trust the B---- in Apartment 23

2012as Tom

Law & Order: LA

2010as Scott Hancox

Young & Hungry

2014as Mr. Klepfer

Enough

2002as Front Desk Clerk

Eleventh Hour

2008as Manager

Better with You

2010as Florist

BeastMaster

1999as Village leader

Ally McBeal

1997as Waiter

The Drew Carey Show

1995as Rick

Transparent

2014as Professor

Ugly Betty

2006as Joe of Happy Homes

What I Like About You

2002as Dr. Thompson

Cheaper by the Dozen

2022as Principal

Being Flynn

2012as Airline Pilot

The Mindy Project

2012as Dr. Jones