Patrick Thomas O'Brien (born January 26, 1951) is an American actor.
He is perhaps best known for playing the role of Mr. Dewey, the math
teacher from Saved by the Bell.O'Brien was born in Wisconsin and
graduated from Regis High School in Eau Claire. He then attended the
University of Wisconsin-Eau Claire receiving his B.A. in 1975. O'Brien
has appeared in several films including The Personals, Airborne,
Stuart Little, The Curious Case of Benjamin Button, Catch Me If You
Can and Kiss the Girls. Despite several movie appearances, the
majority of O'Brien's career has centered on television. To name just
a few T.V. shows, he has appeared on Monk, It's Always Sunny in
Philadelphia, Sabrina the Teenage Witch, Gilmore Girls, The West Wing,
Married With Children, Baywatch, Boston Common, Parker Lewis Can't
Lose, and Home Improvement.O'Brien was born in Wisconsin and graduated
from Regis High School in Eau Claire. He then attended the University
of Wisconsin-Eau Claire receiving his B.A. in 1975. O'Brien has
appeared in several films including The Personals, Airborne, Stuart
Little, The Curious Case of Benjamin Button, Catch Me If You Can and
Kiss the Girls. Despite several movie appearances, the majority of
O'Brien's career has centered on television. To name just a few T.V.
shows, he has appeared on Monk, It's Always Sunny in Philadelphia,
Sabrina the Teenage Witch, Gilmore Girls, The West Wing, Married With
Children, Baywatch, Boston Common, Parker Lewis Can't Lose, and Home
Improvement. [permanent dead link] Patrick Thomas O'Brien Top Movies & Young Movies