John O'Brien

The talent

John O'Brien

Acting

IMDB ↗

The work

Grey's Anatomy

2005

Grey's Anatomy Lab Tech Jeffrey

Friends

1994

Friends Airline Employee

Malcolm in the Middle

2000

Malcolm in the Middle Sales Clerk

Criminal Minds

2005

Criminal Minds Dr. Meyer

Two and a Half Men

2003

Two and a Half Men Waiter

The X-Files

1993

The X-Files Missionary #2

Shameless

2011

Shameless Father Monroe

9-1-1

2018

9-1-1 Rod Billings

Pretty Little Liars

2010

Pretty Little Liars Principal Hackett

Mortdecai

Mortdecai Butler

NCIS

2003

NCIS Bruce

Community

2009

Community Chaplin

Desperate Housewives

2004

Desperate Housewives Dr. Wheeler

Victorious

2010

Victorious Mr. Mooney

S.W.A.T.

2017

S.W.A.T. Weber

Mad Men

2007

Mad Men Phil Kennedy

Monk

2002

Monk Maitre'd

Enough

Enough Front Desk Clerk

Chuck

2007

Chuck Older CIA Tech

Superstore

2015

Superstore Mike

Mom

2013

Mom Waiter

The West Wing

1999

The West Wing Reporter

Medium

2005

Medium Hotel Clerk

Will & Grace

1998

Will & Grace Salesperson