Actors O


 * Brandon O'Brien
 * Dylan O'Brien
 * Brían F. O'Byrne
 * Jerry O'Connell
 * Bob Odenkirk
 * Keir O'Donnell
 * Chris O'Donnell
 * Nick Offerman
 * Curtis Oglebee
 * Denis O'Hare
 * Jim O'Heir
 * Gary Oldman
 * Craig Olejnik
 * John Oliver
 * Edward James Olmos
 * Alex O'Loughlin
 * Eric Christian Olsen
 * Timothy Olyphant
 * Mike O'Malley
 * Jason O'Mara
 * Ryan O'Neal
 * Ed O'Neill
 * Terry O'Quinn
 * Steve Oram
 * Ed O'Ross
 * John Ortiz
 * Julio Ostin
 * Patton Oswalt
 * Julian Ovendon
 * Chord Overstreet
 * Chris Owen
 * Clive Owen
 * Eduardo Owl
 * David Oyelowo