Sean Sullivan
Known For
TV
Mayday
Air Traffic Control
2003
Film
Frankenstein
Old Hunter #1
2025
TV
Quantum Leap
Roy Brown
1989
TV
Titans
Night Manager
2018
TV
Murdoch Mysteries
Oscar Vanderlay
2008
TV
The Umbrella Academy
Super Old Five
2019
TV
The Umbrella Academy
Old Man Five
2019
TV
The Umbrella Academy
Older Five
2019
TV
The Umbrella Academy
Middle Aged 5
2019
TV
Babylon 5
Ashan
1994
TV
Ozark
Kyle
2017
TV
Mutant X
Bartender
2001
TV
Caroline in the City
Monroe
1995
TV
Due South
Dennis Fagan
1994
TV
Sue Thomas: F.B.Eye
Hotel Manager
2002
TV
Frankie Drake Mysteries
Morris Flynn
2017
TV
Damien
Doc
2016
Film
Back to the Future Part III
Buford Tannen's Gang
1990
TV
Wonderfalls
Ticket Guy
2004
Film
Saw III
Additional Voice Talent (voice)
2006
Filmography
2026FilmGod of Frogsas Ken2025FilmFrankensteinas Old Hunter #12024FilmGame of Death: The Six Doors to Hellas Phil Tannen2024FilmJackpot!as Mugger2020FilmThe Tollas Doctor2019TVThe Umbrella Academyas Super Old Five2018TVTitansas Night Manager2017TVFrankie Drake Mysteriesas Morris Flynn2017TVOzarkas Kyle2016TVDamienas Doc2008TVMurdoch Mysteriesas Oscar Vanderlay2006FilmSaw IIIas Additional Voice Talent (voice)2006TVThe Jane Showas Mr. Walker2004FilmThe Murdoch Mysteries: Poor Tom Is Coldas Jarius Gibb2004TVWonderfallsas Ticket Guy2003FilmFoolproofas Stan2003TVMaydayas Air Traffic Control2002TVSue Thomas: F.B.Eyeas Hotel Manager2001TVMutant Xas Bartender2001TVThe Associatesas Dale Friesen1998Film54as Andy Warhol1995TVCaroline in the Cityas Monroe1994TVDue Southas Dennis Fagan1994TVBabylon 5as Ashan1993FilmGypsyas Georgie1991FilmHowling VI: The Freaksas Winston1990FilmBack to the Future Part IIIas Buford Tannen's Gang1990FilmClass of 1999as Mohawk1990FilmSki Patrolas Suicide1989TVQuantum Leapas Roy Brown1988FilmThe In Crowdas Popeye1987FilmWho's That Girlas Gun Dealer1987TVRoomiesas Carl1986FilmThe Brotherhood of Justiceas Pastey1980FilmWar Bridesas Mr. McInnis1975TVSidestreet1974Film125 Rooms of Comfort1971TVDoctor Simon Lockeas Jake—FilmThe Slaughter Brothers Dime Circus