Patrick Thomas O'Brien
Acting
Born 1951-01-26 · Wisconsin, USA
Known for
7.6
CSI: Crime Scene Investigation
2000 · TV
7.8
Saved by the Bell
1989 · TV
6.8
Saved by the Bell
2020 · TV
8.5
Malcolm in the Middle
2000 · TV
7.3
Night Court
1984 · TV
6.0
Baywatch
1989 · TV
7.9
Monk
2002 · TV
7.9
Gilmore Girls
2000 · TV
7.8
ER
1994 · TV
8.3
The West Wing
1999 · TV
7.7
Married... with Children
1987 · TV
8.3
It's Always Sunny in Philadelphia
2005 · TV
7.8
Sabrina, the Teenage Witch
1996 · TV
8.0
Babylon 5
1994 · TV
7.4
Home Improvement
1991 · TV
8.3
The Wonder Years
1988 · TV
7.0
Lois & Clark: The New Adventures of Superman
1993 · TV
6.8
Family Matters
1989 · TV
8.4
Drake & Josh
2004 · TV
6.6
Felicity
1998 · TV
7.6
Sliders
1995 · TV
7.7
Step by Step
1991 · TV
7.7
Roswell
1999 · TV
7.1
The Facts of Life
1979 · TV
6.2
Jake and the Fatman
1987 · TV
6.5
Reba
2001 · TV
7.6
The Larry Sanders Show
1992 · TV
6.5
Caroline in the City
1995 · TV
6.4
7th Heaven
1996 · TV
7.9
Carnivàle
2003 · TV
6.8
The John Larroquette Show
1993 · TV
5.9
Cybill
1995 · TV
8.5
Union Square
1997 · TV
7.4
Parker Lewis Can't Lose
1990 · TV
6.4
Dharma & Greg
1997 · TV
5.9
Saved by the Bell: The New Class
1993 · TV
6.5
The Naked Truth
1995 · TV
6.6
Son of the Beach
2000 · TV
7.0
Boston Common
1996 · TV
5.3
Working
1997 · TV
6.3
State of Grace
2001 · TV