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.
as Hearn
as Sean
as Detective Fellner
as John Reed
as Self Tape Audition
as General Geoffrey Miller
as Judge Huss(1 ep)
as Steven / Gallerist
as Freddie Shade
as Tigger Woods
as Thomas
as Douglas
as Hal
as Radio Host
as Studio Executive (Billy)
as Dean(1 ep)
as Father Lawrence(3 eps)
as Chandler
as Vin Scurlock
as Minefeld Owner(1 ep)
as Jim(1 ep)
as Sheriff O'Doyle
as Pete
as Radio Jockey
as Charlie Nash(1 ep)
as Security Guard
as Hitman
as Jeff & Sandy's Friend(1 ep)
as Male Cop
as Alan Fredricks (Wilheimer Client)
as NSA Deputy Director Ray Monroe
as Kyle Lawrence
as Ted(1 ep)
as Hotel Manager
as Coach Peterson
as Andrew Henry(1 ep)
as Mace
as Sam Rydell(1 ep)
as Clerk
as Ray Monroe
as Coach Jacob
as Pastor Edwin
as Johnny Hall
as Dave(1 ep)
as George(2 eps)
as Andy(1 ep)
as Bill Blackham(13 eps)
as Mr. Hammerstone(2 eps)
as Ron Donahue(21 eps)
as Father Seabury(1 ep)
as Gavin Teed(1 ep)
as Roric(1 ep)
as Leon Ivey
as Tom McHenry(1 ep)
as Ted
as Kip Bryden(1 ep)
as Emmett Fitzgerald(1 ep)
as Cavic
as Jerry
as Dave Walker(1 ep)
as Mayor Young
as Dan Mendell(2 eps)
as Party Goer
as Clark Sanders(1 ep)
as David Miller(1 ep)
as Vincent Stiles(1 ep)
as Mike Shenfield(1 ep)
as Gary(1 ep)
as Paul Davis
as Dave
as David Shields(1 ep)
as Bill(1 ep)
as Roger Tomkins(10 eps)
as Jeremy Burton(1 ep)
as Leo
as Jake Gerloff(1 ep)
as Patrick O'Connell
as Tom Wheeler(3 eps)
as Paul Ferris(1 ep)
as Reverend Rebetti(1 ep)
as Carter
as Warren Turner(1 ep)
as Stan, Jill's co-worker(1 ep)
as Greg Philner(1 ep)
as Dr. Rick Rozelli(1 ep)
as Randy(1 ep)
as Paul(1 ep)
as Bobby Waide(23 eps)
as Marc(1 ep)
as Ted(1 ep)
as Ethan(1 ep)
as Allan
as Undercover Cop
as Steven
as Bradley DuMonte(1 ep)
as Banes
as Andy Watson(1 ep)
as Dean(1 ep)
as Phone Talker
as Joe 'Iowa' Dantley(13 eps)
as Detective Cartwell
as Dick Anderson
as Tommy Miller
as Jake Monroe(1 ep)
as Flight Attendant Ken(1 ep)
as Dave Caine(1 ep)
as John McBride
as Lewis Seeley
as Bobby
as Luke(1 ep)
as Charlie Dixon(1 ep)
as Kenny(1 ep)
as Phillip Ashcroft(1 ep)
as Neuter(1 ep)
as Willie(1 ep)
as Charlie D. McCumber(1 ep)
as Paul Hampton(1 ep)
as Steve Burke(1 ep)