Known for Acting

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.
2026
as Detective Fellner
2019
as Sheriff O'Doyle
2022
as Studio Executive (Billy)
2001
as Patrick O'Connell
2006
as Party Goer
2018
as Radio Jockey
2013
as Ray Monroe
2008
as Ted
2016
as NSA Deputy Director Ray Monroe
2023
as Radio Host
1995
as Phone Talker
1992
as Lewis Seeley
2016
as Male Cop
1996
as Banes
2006
as Mayor Young
1993
as John McBride
2008
as Cavic
2012
as Coach Jacob
2002
as Leo
1991
as Bobby