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Patrick Thomas O'Brien is an American actor. He is perhaps best known for playing the role of Mr. Dewey, the math teacher from Saved by the Bell.
Rescuing Christmas
2023
The Curious Case of Benjamin Button
2008
Win a Date with Tad Hamilton!
2004
Bill Apablasa
2 shared
Nathan Lane
Michael Davis
Bailey Stender
1 shared
Marcia Moran
Eric Lutes
actor
Inhabited
2003
Stuart Little
1999
Eight Days a Week
1997
Girl in the Cadillac
1995
Airborne
1993
Camp Cucamonga
1990
