John O'Brien
Acting
Known for
Grey's Anatomy
20058.2
Friends
19948.4
Malcolm in the Middle
20008.5
Criminal Minds
20058.3
Two and a Half Men
20037.4
The X-Files
19938.4
Shameless
20118.2
9-1-1
20188.2
Pretty Little Liars
20108.0
Mortdecai
20155.5
NCIS
20037.6
Community
20098.0
Desperate Housewives
20047.9
Victorious
20108.2
Mad Men
20078.1
S.W.A.T.
20178.0
Monk
20027.9
Enough
20026.6
Chuck
20077.7
Superstore
20157.5
