
Sean O'Bryan
Department: Acting
Biography
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

Frankie and Johnny
1991

Raising Helen
2004

Phenomenon
1996

Deck the Halls
2006

Missing
2023

Trapped in Paradise
1994

Chaplin
1992

Nice Guys Sleep Alone
1999

I'll Be Home for Christmas
1998

Out to Sea
1997

The Veil
2023

Exit to Eden
1994

Dear God
1996

Playing for Keeps
2012

Cinema Verite
2011

Get a Job
2016

Here Come the Munsters
1995

The First Circle
—

London Has Fallen
2016

Babylon
2022

A Place Called Home
2004

I Am Gitmo
2025

The Princess Diaries
2001

Nyctophobia
2024

Dawn Patrol
2014

Vantage Point
2008

Mother's Day
2016

The Christmas Letter
2024

The House Sitter
2015

Olympus Has Fallen
2013

Traumatika
2025

Revv
2024

First Night
2017

The Twilight of the Golds
1996

Beatriz at Dinner
2017

Table 58
2015

Searching
2018

Rust Creek
2019

Yes Man
2008

Heart and Souls
1993

Hatching Pete
2009

Christmas Break-In
2018

Mary & Tim
1996

The Stand at Paxton County
2020

Mission: Impossible III
2006

Big Fat Liar
2002

Heaven
2013

Crimson Tide
1995

Purgatory Station
2024

Murder at the Mansion
2020

Jumping the Gun
2020

Bad Painter
2025

Shift
2023

Whitney
2015

Marked for Murder
1993

My Movie Starring Paul Dano
2025

Crime 101
2026

Two Guys and a Girl
1998

Murder, She Wrote
1984

Six Feet Under
2001

The Legend of Prince Valiant
1991

Jack & Jill
1999

Ghost Whisperer
2005

Beverly Hills, 90210
1990

Providence
1999

Touched by an Angel
1994

The Pretender
1996

Las Vegas
2003

Crossing Jordan
2001

Superstore
2015

Felicity
1998

Without a Trace
2002

MacGyver
1985

Diagnosis: Murder
1993

Quantum Leap
1989

Abby
2003

Criminal Minds
2005

Private Practice
2007

The King of Queens
1998

Becker
1998

NCIS
2003

Roswell
1999

JAG
1995

Grounded for Life
2001

Chicago Hope
1994

Lie to Me
2009

Brother's Keeper
1998

Baby Talk
1991

Pig Sty
1995

Family Law
1999

Center of the Universe
2004

9-1-1: Lone Star
2020

FlashForward
2009

Love, Victor
2020

The Middle
2009

Persons Unknown
2010

The Mentalist
2008

Kenan
2021

Murder, She Wrote
1984

Murder, She Wrote
1984

Marvel's Agent Carter
2015

Leverage
2008

Glee
2009

Married... with Children
1987

Jenny
1997

CSI: Crime Scene Investigation
2000

NCIS: Los Angeles
2009

The Drew Carey Show
1995

Murder in the First
2014

Bones
2005

Hot in Cleveland
2010

Dexter
2006

Good Luck Charlie
2010

Heart of the City
1986

Shameless
2011

The Unicorn
2019

9-1-1
2018

The Real Bros of Simi Valley
2017

Good American Family
2025

Northern Exposure
1990

Workaholics
2011

Sibs
1991

In Justice
2006