John O'Brien
Acting
We don't have a biography for John O'Brien.
Known For
NCIS
Bruce
Grey's Anatomy
Lab Tech Jeffrey
Criminal Minds
Dr. Meyer
Shameless
Father Monroe
Friends
Airline Employee
S.W.A.T.
Weber
Desperate Housewives
Dr. Wheeler
9-1-1
Rod Billings
The X-Files
Missionary #2
Two and a Half Men
Waiter
Monk
Maitre'd
The West Wing
Reporter
Mad Men
Phil Kennedy
Pretty Little Liars
Principal Hackett
Boston Legal
Clerk #2
Malcolm in the Middle
Sales Clerk
Scrubs
Man
Community
Chaplin
Medium
Hotel Clerk
Will & Grace
Salesperson
Will & Grace
Man
Chuck
Older CIA Tech
The Practice
Foreman
Hacks
Duncan
Mom
Waiter
The Drew Carey Show
Rick
Superstore
Mike
Victorious
Mr. Mooney
The Mindy Project
Dr. Jones
Bob Hearts Abishola
James
Ugly Betty
Joe of Happy Homes
Workaholics
Doctor
Perry Mason
Ernie Magnuson
What I Like About You
Minister
What I Like About You
Dr. Thompson
Austin & Ally
Mr. Neidermeyer
BeastMaster
Village leader
Ally McBeal
Waiter
Transparent
Professor
Young & Hungry
Mr. Klepfer