John O'Brien

Grey's Anatomy (8.2) Show · 2005 as Lab Tech Jeffrey

Pretty Little Liars (8.0) Show · 2010 as Principal Hackett

Flicka (6.9) Movie · 2006 as Mr. Masterson

Enough (6.6) Movie · 2002 as Front Desk Clerk

Cheaper by the Dozen (6.3) Movie · 2022 as Principal

Being Flynn (6.2) Movie · 2012 as Airline Pilot

Mortdecai (5.5) Movie · 2015 as Butler

The Last Heist (4.4) Movie · 2016 as Manager Mark

Isle of Lesbos (4.0) Movie · 1997 as Farmer

This Game's Called Murder (3.3) Movie · 2021 as Man in Suit