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.
TBAShift as Hal
TBAThe First Circle as Hearn
2025I Am Gitmo as General Geoffrey Miller
2025Good American Family (1 Episode) as Judge Huss
2025Bad Painter as Steven / Gallerist
2024Purgatory Station as Freddie Shade
2024The Christmas Letter as Tigger Woods
2024Traumatika as John Reed
2024Revv as Unknown
2024Nyctophobia as Thomas
2023The Veil as Douglas
2023Shift as Hal
2023Missing as Radio Host
2022Babylon as Studio Executive (Billy)
2021Kenan (1 Episode) as Dean
2020Jumping the Gun as Unknown
2020Love, Victor (3 Episodes) as Father Lawrence
2020Murder at the Mansion as Chandler
2020The Stand at Paxton County as Vin Scurlock
20209-1-1: Lone Star (1 Episode) as Minefeld Owner
2019The Unicorn (1 Episode) as Jim
2019Rust Creek as Sheriff O'Doyle
2018Christmas Break-In as Pete
2018Searching as Radio Jockey
20189-1-1 (1 Episode) as Charlie Nash
2017Beatriz at Dinner as Security Guard
2017First Night as Hitman
2017The Real Bros of Simi Valley (1 Episode) as Jeff & Sandy's Friend
2016Mother's Day as Male Cop
2016Get a Job as Alan Fredricks (Wilheimer Client)
2016London Has Fallen as NSA Deputy Director Ray Monroe
2015The House Sitter as Kyle Lawrence
2015Superstore (1 Episode) as Ted
2015Whitney as Hotel Manager
2015Table 58 as Coach Peterson
2015Marvel's Agent Carter (1 Episode) as Andrew Henry
2014Dawn Patrol as Mace
2014Murder in the First (1 Episode) as Sam Rydell
2013Heaven as Clerk
2013Olympus Has Fallen as Ray Monroe
2012Playing for Keeps as Coach Jacob
2011Cinema Verite as Johnny Hall
2011Shameless (2 Episodes) as George
2010Hot in Cleveland (1 Episode) as Andy
2010Persons Unknown (13 Episodes) as Bill Blackham
2010Good Luck Charlie (2 Episodes) as Mr. Hammerstone
2009The Middle (21 Episodes) as Ron Donahue
2009FlashForward (1 Episode) as Father Seabury
2009NCIS: Los Angeles (1 Episode) as Gavin Teed
2009Glee (1 Episode) as Roric
2009Hatching Pete as Leon Ivey
2009Lie to Me (1 Episode) as Unknown
2008Yes Man as Ted
2008Leverage (1 Episode) as Kip Bryden
2008The Mentalist (1 Episode) as Emmett Fitzgerald
2008Vantage Point as Cavic
2007Private Practice (1 Episode) as Dave Walker
2006Deck the Halls as Mayor Young
2006Dexter (2 Episodes) as Unknown
2006Mission: Impossible III as Party Goer
2006In Justice (1 Episode) as Unknown
2005Ghost Whisperer (1 Episode) as David Miller
2005Criminal Minds (1 Episode) as Vincent Stiles
2005Bones (1 Episode) as Mike Shenfield
2004Center of the Universe (1 Episode) as Unknown
2004Raising Helen as Paul Davis
2004A Place Called Home as Dave
2003NCIS (1 Episode) as David Shields
2003Las Vegas (1 Episode) as Unknown
2003Abby (10 Episodes) as Unknown
2002Without a Trace (1 Episode) as Jeremy Burton
2002Big Fat Liar as Leo
2001Crossing Jordan (1 Episode) as Jake Gerloff
2001The Princess Diaries as Patrick O'Connell
2001Six Feet Under (3 Episodes) as Tom Wheeler
2001Grounded for Life (1 Episode) as Unknown
2000CSI: Crime Scene Investigation (1 Episode) as Reverend Rebetti
1999Nice Guys Sleep Alone as Carter
1999Roswell (1 Episode) as Warren Turner
1999Jack & Jill (1 Episode) as Unknown
1999Family Law (1 Episode) as Greg Philner
1999Providence (1 Episode) as Dr. Rick Rozelli
1998I'll Be Home for Christmas as Max
1998Becker (1 Episode) as Randy
1998Felicity (1 Episode) as Paul
1998Brother's Keeper (23 Episodes) as Bobby Waide
1998The King of Queens (1 Episode) as Marc
1998Two Guys and a Girl (1 Episode) as Ted
1997Jenny (1 Episode) as Ethan
1997Out to Sea as Allan
1996Mary & Tim as Unknown
1996Dear God as Undercover Cop
1996The Twilight of the Golds as Steven
1996The Pretender (1 Episode) as Bradley DuMonte
1996Phenomenon as Banes
1995JAG (1 Episode) as Andy Watson
1995The Drew Carey Show (1 Episode) as Dean
1995Crimson Tide as Phone Talker
1995Pig Sty (13 Episodes) as Joe 'Iowa' Dantley
1995Here Come the Munsters as Detective Cartwell
1994Trapped in Paradise as Dick Anderson
1994Exit to Eden as Tommy Miller
1994Touched by an Angel (1 Episode) as Jake Monroe
1994Chicago Hope (1 Episode) as Unknown
1993Diagnosis: Murder (1 Episode) as Dave Caine
1993Heart and Souls as John McBride
1993Marked for Murder as Unknown
1992Chaplin as Lewis Seeley
1991Frankie and Johnny as Bobby
1991The Legend of Prince Valiant (1 Episode) as Unknown
1991Baby Talk (1 Episode) as Unknown
1990Beverly Hills, 90210 (1 Episode) as Unknown
1990Northern Exposure (1 Episode) as Kenny
1989Quantum Leap (1 Episode) as Phillip Ashcroft
1987Married... with Children (1 Episode) as Neuter
1986Heart of the City (1 Episode) as Unknown
1985MacGyver (1 Episode) as Willie
1984Murder, She Wrote (1, 1, 1 Episode) as Charlie D. McCumber, Paul Hampton, Steve Burke