John O'Brien
Known for: Acting
Known for
Showing 8 of 56 titles
6.6
TV
Eleventh Hour
Manager
2008
Drama
7.4
TV
Workaholics
Doctor
2011
Comedy
6.3
TV
BeastMaster
Village leader
1999
Drama
7.9
TV
Boston Legal
Clerk #2
2004
Comedy
6.4
TV
Transparent
Professor
2014
Comedy
6.4
TV
Ugly Betty
Joe of Happy Homes
2006
Comedy
8.0
TV
Scrubs
Man
2001
Comedy
7.4
TV
Hacks
Duncan
2021
Comedy