Personal Info

Known For

Acting

Known Credits

Gender

Male

Birthday

Place of Birth

Also Known As

Sean Gregory Sullivan

Sean Sullivan

Biography

We don't have a biography for Sean Sullivan.

Known For

7.5%

Back to the Future Part III

May 25, 1990

8.5%

The Umbrella Academy

Feb 15, 2019

8.5%

The Umbrella Academy

Feb 15, 2019

8.5%

The Umbrella Academy

Feb 15, 2019

8.5%

The Umbrella Academy

Feb 15, 2019

6.4%

Saw III

Oct 26, 2006

7.9%

Titans

Oct 12, 2018

8.2%

Ozark

Jul 21, 2017

8.0%

Quantum Leap

Mar 26, 1989

6.4%

Jackpot!

Aug 13, 2024

8.0%

Babylon 5

Jan 26, 1994

5.9%

54

Aug 28, 1998

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Acting

—

God Of Frogs as Ken

2024		Game of Death: The Six Doors to Hell as Phil Tannen
2024		It's Me, Billy: Chapter 2 as Sam’s Dad
2024		Jackpot! as Mugger

2020

The Toll as Doctor

2019		The Umbrella Academy as Super Old Five
2019		The Umbrella Academy as Old Man Five
2019		The Umbrella Academy as Older Five
2019		The Umbrella Academy as Middle Aged 5

2018

Titans as Night Manager

2017		Frankie Drake Mysteries as Morris Flynn
2017		Ozark as Kyle

2016

Damien as Doc

2008

Murdoch Mysteries as Oscar Vanderlay

2006		Saw III as Additional Voice Talent (voice)
2006		The Jane Show as Mr. Walker

2004

The Murdoch Mysteries: Poor Tom Is Cold as Jarius Gibb

2003		Foolproof as Stan
2003		Mayday as Air Traffic Control

2002

Sue Thomas: F.B.Eye as Hotel Manager

2001

Mutant X as Bartender

1998

54 as Andy Warhol

1995

Caroline in the City as Monroe

1994		Due South as Dennis Fagan
1994		Babylon 5 as Ashan

1993

Gypsy as Georgie

1991

Howling VI: The Freaks as Winston

1990		Back to the Future Part III as Buford Tannen's Gang
1990		Class of 1999 as Mohawk
1990		Ski Patrol as Suicide

1989

Quantum Leap as Roy Brown

1988

The In Crowd as Popeye

1987

Roomies as Carl

1986

The Brotherhood of Justice as Pastey

1980

War Brides as Mr. McInnis

1975

Sidestreet

1974

125 Rooms of Comfort

1971

Doctor Simon Locke as Jake

Sound

1992

Evil Toons as Boom Operator