
Sean O'Bryan
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.
Known For

2003
NCIS
2003 · tv

2008
The Mentalist
2008 · tv

2005
Criminal Minds
2005 · tv

2005
Bones
2005 · tv

2011
Shameless
2011 · tv

2000
CSI: Crime Scene Investigation
2000 · tv

2006
Dexter
2006 · tv

2018
9-1-1
2018 · tv

2009
NCIS: Los Angeles
2009 · tv

2001
Crossing Jordan
2001 · tv

1995
JAG
1995 · tv

1990
Beverly Hills, 90210
1990 · tv

2002
Without a Trace
2002 · tv

1984
Murder, She Wrote
1984 · tv

2009
The Middle
2009 · tv

1987
Married... with Children
1987 · tv

1993
Diagnosis: Murder
1993 · tv

2020
9-1-1: Lone Star
2020 · tv

2005
Ghost Whisperer
2005 · tv

2009
Glee
2009 · tv

1985
MacGyver
1985 · tv

1994
Chicago Hope
1994 · tv

2026
Crime 101
2026 · movie

1995
The Drew Carey Show
1995 · tv

1998
The King of Queens
1998 · tv

2007
Private Practice
2007 · tv

2003
Las Vegas
2003 · tv

1989
Quantum Leap
1989 · tv

2001
Six Feet Under
2001 · tv

2010
Hot in Cleveland
2010 · tv