John O'Brien

John O'Brien played a lab tech in seasons one, two, three, four, six, seven, and nine of Grey's Anatomy.

Filmography

 * Divorce Invitation (2012)
 * Being Flynn (2012)
 * The Bucket List (2007)
 * Sunny & Share Love You (2007)
 * Flicka (2006)
 * Our House (2006)
 * Outta Sync (2006)
 * McBride: The Doctor Is Out… Really Out (2005)
 * Enough (2002)
 * Skippy (2001)
 * Too Good to Be True (1997)

Television

 * Pretty Little Liars (2011-2013)
 * Grey's Anatomy (2005-2013)
 * Victorious (2012)
 * Don't Trust the B in Apartment 23 (2012)
 * Austin & Ally (2012)
 * Community (2012)
 * Prime Suspect (2011)
 * Melissa & Joey (2011)
 * Law & Order: LA (2011)
 * Chuck (2011)
 * Better with You (2011)
 * Mike & Molly (2010)
 * Mad Men (2010)
 * Ugly Betty (2010)
 * NCIS (2010)
 * FlashForward (2009)
 * Eleventh Hour (2009)
 * The Middleman (2008)
 * Desperate Housewives (2007)
 * Boston Legal (2007)
 * In Case of Emergency (2007)
 * What I Like About You (2004-2006)
 * Medium (2005)
 * Two and a Half Men (2005)
 * The West Wing (2005)
 * Phil of the Future (2004)
 * Monk (2004)
 * Will & Grace (1999-2004)
 * Malcolm in the Middle (2003)
 * Karen Sisco (2003)
 * Rock Me, Baby (2003)
 * So Downtown (2003)
 * Less Than Perfect (2002)
 * Scrubs (2001)
 * Friends (2001)
 * Ally McBeal (2001)
 * The Fighting Fitzgeralds (2001)
 * The Huntress (2001)
 * Sabrina, the Teenage Witch (2000)
 * Strip Mall (2000)
 * The X-Files (2000)
 * The Practice (2000)
 * BeastMaster (1999)
 * The Drew Carey Show (1999)
 * Clueless (1997-1999)
 * Dharma & Greg (1999)