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.

Photos

Filmography

View Crime 101
Crime 101

Crime 101

2026Film
7.0
View NCIS
NCIS

NCIS

2003Series
7.6
View Bones
Bones

Bones

2005Series
8.2
View The Mentalist
The Mentalist

The Mentalist

2008Series
8.4
View CSI: Crime Scene Investigation
CSI: Crime Scene Investigation

CSI: Crime Scene Investigation

2000Series
7.6
View Shameless
Shameless

Shameless

2011Series
8.2
View Criminal Minds
Criminal Minds

Criminal Minds

2005Series
8.3
View Dexter
Dexter

Dexter

2006Series
8.2
View 9-1-1
9-1-1

9-1-1

2018Series
8.2
View Beverly Hills, 90210
Beverly Hills, 90210

Beverly Hills, 90210

1990Series
7.3
View NCIS: Los Angeles
NCIS: Los Angeles

NCIS: Los Angeles

2009Series
7.5
View JAG
JAG

JAG

1995Series
7.3