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.
The Mentalist
2008 · TV
NCIS
2003 · TV
Criminal Minds
2005 · TV
CSI: Crime Scene Investigation
2000 · TV
Shameless
2011 · TV
Bones
2005 · TV
Dexter
2006 · TV
9-1-1
2018 · TV
NCIS: Los Angeles
2009 · TV
Married... with Children
1987 · TV
The Middle
2009 · TV
Chicago Hope
1994 · TV
Without a Trace
2002 · TV
JAG
1995 · TV
Ghost Whisperer
2005 · TV
Quantum Leap
1989 · TV
Murder, She Wrote
1984 · TV
Beverly Hills, 90210
1990 · TV
Glee
2009 · TV
MacGyver
1985 · TV
Crossing Jordan
2001 · TV
The Drew Carey Show
1995 · TV
Diagnosis: Murder
1993 · TV
The King of Queens
1998 · TV
Northern Exposure
1990 · TV
Las Vegas
2003 · TV
Hot in Cleveland
2010 · TV
Private Practice
2007 · TV
Crime 101
2026 · Movie
Six Feet Under
2001 · TV
Superstore
2015 · TV
Lie to Me
2009 · TV
Touched by an Angel
1994 · TV
Good Luck Charlie
2010 · TV
9-1-1: Lone Star
2020 · TV
Roswell
1999 · TV
Workaholics
2011 · TV
Leverage
2008 · TV
Felicity
1998 · TV
The Pretender
1996 · TV
Providence
1999 · TV
Love, Victor
2020 · TV
Becker
1998 · TV
Marvel's Agent Carter
2015 · TV
Family Law
1999 · TV
Babylon
2022 · Movie
Grounded for Life
2001 · TV
FlashForward
2009 · TV
Two Guys and a Girl
1998 · TV
Good American Family
2025 · TV
The Princess Diaries
2001 · Movie
Olympus Has Fallen
2013 · Movie
Yes Man
2008 · Movie
Mission: Impossible III
2006 · Movie
Jack & Jill
1999 · TV
Murder in the First
2014 · TV
Vantage Point
2008 · Movie
The Unicorn
2019 · TV
Searching
2018 · Movie
London Has Fallen
2016 · Movie
The Legend of Prince Valiant
1991 · TV
Jenny
1997 · TV
Crimson Tide
1995 · Movie
Phenomenon
1996 · Movie
Chaplin
1992 · Movie
In Justice
2006 · TV
Brother's Keeper
1998 · TV
Kenan
2021 · TV
Missing
2023 · Movie
Mother's Day
2016 · Movie
Heart of the City
1986 · TV
Heart and Souls
1993 · Movie
Center of the Universe
2004 · TV
Sibs
1991 · TV
Persons Unknown
2010 · TV
Deck the Halls
2006 · Movie
Raising Helen
2004 · Movie
Frankie and Johnny
1991 · Movie
Playing for Keeps
2012 · Movie
Pig Sty
1995 · TV
Big Fat Liar
2002 · Movie
Rust Creek
2019 · Movie
Trapped in Paradise
1994 · Movie
Beatriz at Dinner
2017 · Movie
Abby
2003 · TV
I'll Be Home for Christmas
1998 · Movie
Nyctophobia
2024 · Movie
Get a Job
2016 · Movie
Out to Sea
1997 · Movie
Exit to Eden
1994 · Movie
Bad Painter
2025 · Movie
Cinema Verite
2011 · Movie
Purgatory Station
2024 · Movie
The Twilight of the Golds
1996 · Movie
Hatching Pete
2009 · Movie
Christmas Break-In
2018 · Movie
My Movie Starring Paul Dano
2025 · Movie
Whitney
2015 · Movie
The Veil
2023 · Movie
Dear God
1996 · Movie
Traumatika
2025 · Movie
Murder at the Mansion
2020 · Movie
Shift
2023 · Movie
The Real Bros of Simi Valley
2017 · TV
A Place Called Home
2004 · Movie
The Stand at Paxton County
2020 · Movie
Marked for Murder
1993 · Movie
Nice Guys Sleep Alone
1999 · Movie
Here Come the Munsters
1995 · Movie
The Christmas Letter
2024 · Movie
Mary & Tim
1996 · Movie
First Night
2017 · Movie
The House Sitter
2015 · Movie
The First Circle
· Movie
Player 5150
2008 · Movie
Dawn Patrol
2014 · Movie
Table 58
2015 · Movie
I Am Gitmo
2025 · Movie
Baby Talk
1991 · TV
