Cast & creator
Sean Sullivan
Best known for Mayday, Babylon 5, Quantum Leap
Also known as: Sean Gregory Sullivan
Movies
24
film credits
Series
23
television credits
Career
44
1971–2026 · acting roles
Credit score
6.9
average across scored titles
Signature credits
Known for
Across film & television
Filmography (47)
Showing 47 of 47 credits
Series
★ 8.2
Mayday
Air Traffic Control
2003
Series
★ 8.0
Babylon 5
Ashan
1994
Series
★ 8.0
Quantum Leap
Roy Brown
1989
Series
★ 7.7
Murdoch Mysteries
Oscar Vanderlay
2008
Series
★ 6.6
American Playhouse
Dinosaur / Chair Pusher
1982
Series
★ 7.8
Titans
Night Manager
2018
Series
★ 8.2
Ozark
Kyle
2017
Series
★ 7.6
Due South
Dennis Fagan
1994
Series
★ 7.4
La Femme Nikita
Mintz
1997
Series
★ 6.6
Caroline in the City
Monroe
1995
Series
★ 8.5
The Umbrella Academy
Super Old Five
2019Series
★ 8.5
The Umbrella Academy
Old Man Five
2019Series
★ 8.5
The Umbrella Academy
Older Five
2019Series
★ 8.5
The Umbrella Academy
Middle Aged 5
2019
Series
★ 6.7
Mutant X
Bartender
2001
Movie
★ 5.5
Who's That Girl
Gun Dealer
1987
Series
★ 7.2
Sue Thomas: F.B.Eye
Hotel Manager
2002
Movie
★ 7.6
Frankenstein
Old Hunter #1
2025
Series
★ 6.3
Frankie Drake Mysteries
Morris Flynn
2017
Movie
★ 6.3
Jackpot!
Mugger
2024
Movie
★ 7.5
Back to the Future Part III
Buford Tannen's Gang
1990
Series
★ 7.7
Wonderfalls
Ticket Guy
2004
Movie
★ 6.4
Saw III
Additional Voice Talent (voice)
2006
Movie
★ 6.7
Wayne's World
Phil
1992
Series
★ 6.2
Damien
Doc
2016
Series
★ 6.0
The Jane Show
Mr. Walker
2006
Movie
★ 5.9
54
Andy Warhol
1998
Movie
★ 4.9
Evil Toons
Boom Operator
1992
Movie
★ 6.0
Class of 1999
Mohawk
1990
Series
★ 6.5
Doctor Simon Locke
Jake
1971
Series
★ 6.0
Roomies
Carl
1987
Movie
★ 6.0
The Brotherhood of Justice
Pastey
1986
Movie
★ 5.5
The Toll
Doctor
2020T
Series
★ 7.5
The Associates
Dale Friesen
2001
Movie
★ 4.8
Ski Patrol
Suicide
1990
Movie
★ 4.4
Howling VI: The Freaks
Winston
1991
Movie
★ 7.5
God of Frogs
Ken
2026
Movie
★ 6.1
The In Crowd
Popeye
1988
Movie
★ 6.1
Foolproof
Stan
2003
Movie
Game of Death: The Six Doors to Hell
Phil Tannen
2024
Movie
★ 8.0
125 Rooms of Comfort
1974
Movie
★ 6.2
Gypsy
Georgie
1994
Movie
The Murdoch Mysteries: Poor Tom Is Cold
Jarius Gibb
2004
Movie
★ 7.0
War Brides
Mr. McInnis
1980
Movie
The Slaughter Brothers Dime Circus
Movie
The Slaughter Brothers Dime Circus
Producer
Movie
The Slaughter Brothers Dime Circus
Author