Patrick Thomas O'Brien

Patrick Thomas O'Brien

Filmography

CSI: Crime Scene Investigation
CSI: Crime Scene Investigation
2000 · TV
as Edward Cormier
It's Always Sunny in Philadelphia
It's Always Sunny in Philadelphia
2005 · TV
as Associate
Married... with Children
Married... with Children
1987 · TV
as Wally
Married... with Children
Married... with Children
1987 · TV
as Bob Thompson
Monk
Monk
2002 · TV
as Brent Donovan
The West Wing
The West Wing
1999 · TV
as Hanson
ER
ER
1994 · TV
as Carmichael
Gilmore Girls
Gilmore Girls
2000 · TV
as Brian's Dad
Malcolm in the Middle
Malcolm in the Middle
2000 · TV
as Dad Driver
Night Court
Night Court
1984 · TV
as Ernie Carter
Baywatch
Baywatch
1989 · TV
Sabrina, the Teenage Witch
Sabrina, the Teenage Witch
1996 · TV
as Index Man
Sabrina, the Teenage Witch
Sabrina, the Teenage Witch
1996 · TV
as Cupid
Lois & Clark: The New Adventures of Superman
Lois & Clark: The New Adventures of Superman
1993 · TV
as Barker
Babylon 5
Babylon 5
1994 · TV
as Cart Owner
The Wonder Years
The Wonder Years
1988 · TV
as Mr. Santa
Home Improvement
Home Improvement
1991 · TV
as Ink Ingram
Family Matters
Family Matters
1989 · TV
as Mr. Denton
Sliders
Sliders
1995 · TV
as Jake
The Facts of Life
The Facts of Life
1979 · TV
Step by Step
Step by Step
1991 · TV
as Reverend
Felicity
Felicity
1998 · TV
as Dan Waldron
Catch Me If You Can
Catch Me If You Can
2002 · Movie
as Mr. Hendricks
Drake & Josh
Drake & Josh
2004 · TV
as Minister