

Sean Michael O'Bryan (born September 10, 1963) is an American film and television actor. He co-starred with William Ragsdale on the short-lived series Brother's Keeper. Early television work includes guest roles on television series in Married... with Children, MacGyver, Northern Exposure, Cold Case, Diagnosis: Murder, Quantum Leap, Murder, She Wrote, Chicago Hope, Roswell, Roseanne, Criminal Minds, The King of Queens and Dexter. More recent television guest star credits include CSI, Bones, Melissa & Joey, Lie to Me, Hot In Cleveland, The Mentalist, Leverage, Glee, NCIS: LA, Superstore, and 9-1-1: Lone Star. He's had recurring roles on TV series including the sitcom Pig Sty, Six Feet Under, Abby, The Middle, and Love, Victor. He had a major recurring role as Bill Blackham on Persons Unknown. His film credits include Chaplin, Crimson Tide, Phenomenon, Exit to Eden, Out to Sea, Big Fat Liar, Deck the Halls, I'll Be Home For Christmas, Yes Man, Vantage Point, both Princess Diaries films, Playing for Keeps, Olympus Has Fallen, London Has Fallen, Table 58, Mother's Day, Searching, and Rust Creek.
2025
John Reed
2025
Ronald Nixon
2025
Judge Huss
2024
Freddie Shade
2024
Tigger Woods
2024
Thomas
2023
Radio Host
2022
Studio Executive (Billy)
2021
Dean
2020
Unknown
2020
Father Lawrence
2020
Vin Scurlock
2020
Minefeld Owner
2019
Jim
2019
Sheriff O'Doyle
2018
2018
Radio Jockey
2018
Charlie Nash
2017
Security Guard
2017
Jeff & Sandy's Friend
2016
Male Cop
2016
Alan Fredricks (Wilheimer Client)
2016
NSA Deputy Director Ray Monroe
2015
Kyle Lawrence
2015
Ted
2015
Hotel Manager
2015
Andrew Henry
2014
Sam Rydell
2013
Ray Monroe
2012
Coach Jacob
2011
Johnny Hall
2011
Dave
2011
George
2010
Andy
2010
Bill Blackham
2010
Mr. Hammerstone
2009
Ron Donahue
2009
Father Seabury
2009
Gavin Teed
2009
Roric
2009
Leon Ivey
2009
Unknown
2008
Ted
2008
Kip Bryden
2008
Emmett Fitzgerald
2008
Cavic
2007
Dave Walker
2006
Mayor Young
2006
Unknown
2006
Party Goer
2006
Unknown
2005
David Miller
2005
Vincent Stiles
2005
Mike Shenfield
2004
2004
Paul Davis
2004
2003
David Shields
2003
Bill
2003
Unknown
2002
Jeremy Burton
2002
Leo
2001
Jake Gerloff
2001
Patrick O'Connell
2001
Tom Wheeler
2001
Unknown
2000
Reverend Rebetti
1999
Carter
1999
Warren Turner
1999
Unknown
1999
Greg Philner
1999
Dr. Rick Rozelli
1998
1998
Randy
1998
Paul
1998
Bobby Waide
1998
1998
1997
Ethan
1997
Allan
1996
Undercover Cop
1996
Bradley DuMonte
1996
Banes
1995
Andy Watson
1995
1995
Phone Talker
1995
Joe 'Iowa' Dantley
1995
Detective Cartwell
1994
Dick Anderson
1994
Tommy Miller
1994
Jake Monroe
1994
Flight Attendant Ken
1993
Dave Caine
1993
John McBride
1993
Unknown
1992
Lewis Seeley
1991
Bobby
1991
Luke
1991
Unknown
1991
Unknown
1990
Charlie Dixon
1990
Kenny
1989
Phillip Ashcroft
1987
Neuter
1986
Unknown
1985
Willie
1984
Steve Burke
1984
Charlie D. McCumber
1984
Paul Hampton
Sean Michael O'Bryan
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