Acting
Patrick Thomas O'Brien
Born 1951-01-26· Wisconsin, USA
Known for
Full filmography
Monk
2002
DRAMA
Gilmore Girls
2000
COMEDY
The West Wing
1999
DRAMA
Baywatch
1989
ACTION
Married... with Children
1987
COMEDY
It's Always Sunny in Philadelphia
2005
COMEDY
ER
1994
DRAMA
Malcolm in the Middle
2000
COMEDY
Sabrina, the Teenage Witch
1996
COMEDY
Babylon 5
1994
DRAMA
Home Improvement
1991
COMEDY
Family Matters
1989
COMEDY
Night Court
1984
COMEDY
The Wonder Years
1988
COMEDY
Felicity
1998
DRAMA
Lois & Clark: The New Adventures of Superman
1993
ACTION
The Facts of Life
1979
DRAMA
Step by Step
1991
COMEDY
Sliders
1995
ACTION
Reba
2001
COMEDY
Caroline in the City
1995
COMEDY
7th Heaven
1996
FAMILY
Jake and the Fatman
1987
DRAMA
The Larry Sanders Show
1992
COMEDY
Drake & Josh
2004
COMEDY
Roswell
1999
SCI-FI
Saved by the Bell
1989
FAMILY
Saved by the Bell: The New Class
1993
FAMILY
Cybill
1995
COMEDY
Catch Me If You Can
2002
DRAMA