Movies
TV Shows
Actors
Patrick Thomas O'Brien
Jan 26, 1951 (73 years old) in Wisconsin, USA
Known For
Monk
CSI: Crime Scene Investigation
Malcolm in the Middle
Malcolm in the Middle
Babylon 5
Credits
2023 ·
Rescuing Christmas
as Chuck
2021 ·
Sold Out
as Wayne
2020 ·
Saved by the Bell
as Mr. Dewey
2008 ·
The Curious Case of Benjamin Button
as Dr. Rose
2008 ·
Uncross the Stars
as Priest
2005 ·
It's Always Sunny in Philadelphia
as Associate
2004 ·
Win a Date with Tad Hamilton!
as Father Newell
2004 ·
Drake & Josh
as Minister
2003 ·
Carnivàle
as Clark
2003 ·
Dickie Roberts: Former Child Star
as Mr. Gertrude
2003 ·
Intolerable Cruelty
as Bailiff
2003 ·
Inhabited
as Mr. Kelly
2002 ·
Co-Incidence
as Towny
2002 ·
Catch Me If You Can
as Mr. Hendricks
2002 ·
Monk
as Brent Donovan
2001 ·
Reba
as
2000 ·
CSI: Crime Scene Investigation
as Edward Cormier
2000 ·
Gilmore Girls
as Brian's Dad
2000 ·
Son of the Beach
as
2000 ·
Malcolm in the Middle
as
2000 ·
Malcolm in the Middle
as Dad Driver
1999 ·
Stuart Little
as Uncle Stretch
1999 ·
Roswell
as Minister
1999 ·
The West Wing
as Hanson
1998 ·
Felicity
as Dan Waldron
1998 ·
Pleasantville
as Roy
1998 ·
Dead Man on Campus
as Priest
1997 ·
Working
as Carl
1997 ·
Kiss the Girls
as Reporter
1997 ·
Union Square
as Kenny
1997 ·
Dharma & Greg
as Roger
1997 ·
Eight Days a Week
as Erica's Father
1996 ·
Sabrina, the Teenage Witch
as Cupid
1996 ·
Sabrina, the Teenage Witch
as Index Man
1996 ·
7th Heaven
as Professor Valentine
1996 ·
Boston Common
as Ron
1995 ·
Caroline in the City
as Councilman Hardy
1995 ·
The Naked Truth
as Lab Man
1995 ·
Forget Paris
as Angry Fan
1995 ·
Sliders
as Jake
1995 ·
The Brady Bunch Movie
as Auctioneer
1995 ·
Cybill
as
1994 ·
ER
as Carmichael
1994 ·
Wagons East!
as Stranger
1994 ·
Babylon 5
as Cart Owner
1993 ·
Airborne
as Uncle Louis
1993 ·
Lois & Clark: The New Adventures of Superman
as Barker
1993 ·
Saved by the Bell: The New Class
as Mr. Dewey
1993 ·
The John Larroquette Show
as Mr. Hunter
1991 ·
Marilyn and Me
as Casting Director
1991 ·
Home Improvement
as Ink Ingram
1991 ·
Switched at Birth
as Dr. Purchio
1990 ·
Camp Cucamonga
as Virgil
1989 ·
Saved by the Bell
as Mr. Dewey
1989 ·
UHF
as Satan
1989 ·
Baywatch
as
1988 ·
The Wonder Years
as Mr. Santa
1987 ·
Jake and the Fatman
as
1987 ·
Married... with Children
as Wally
1984 ·
Night Court
as Ernie Carter
1982 ·
The Personals
as Jay
1979 ·
The Facts of Life
as
