Patrick Thomas O'Brien
ActingBorn 1951-01-26 (75)Wisconsin, USA
Known for
CSI: Crime Scene Investigation
2000
Married... with Children
1987
Married... with Children
1987
Gilmore Girls
2000
The West Wing
1999
Monk
2002
It's Always Sunny in Philadelphia
2005
Babylon 5
1994
Malcolm in the Middle
2000
ER
1994
Sabrina, the Teenage Witch
1996
Sabrina, the Teenage Witch
1996
The Facts of Life
1979
The Larry Sanders Show
1992
Baywatch
1989
Family Matters
1989
Home Improvement
1991
Lois & Clark: The New Adventures of Superman
1993
The Wonder Years
1988
Jake and the Fatman
1987
Night Court
1984
Felicity
1998
Step by Step
1991
Sliders
1995