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William O'Leary
ACTOR

William O'Leary

Known for The X-Files · Shameless · NCIS

Snapshot 2026-10-15

Born
Oct 19, 1957
Birthplace
Chicago, Illinois, USA
Known For
Acting
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Known For

TVThe X-Files
The X-FilesGas Station Man · 1993
★ 8.4
TVShameless
ShamelessSgt. Rucker · 2011
★ 8.2
TVNCIS
NCISMartin Freydano · 2003
★ 7.6
TV24
24Sid Paulson · 2001
★ 7.8
TVCSI: Miami
CSI: MiamiStewart Otis · 2002
★ 7.7
TVNCIS: Los Angeles
NCIS: Los AngelesHarry Zinetti · 2009
★ 7.5
TVSabrina, the Teenage Witch
Sabrina, the Teenage WitchPoliceman (uncredited) · 1996
★ 7.8
TVBosch
BoschVincent Ackles · 2015
★ 7.9

Filmography

Movies

Nice Girls Don't ExplodeAndy
1987
WalkerJames Walker
1987
Bull DurhamJimmy
1988
Lost AngelsLink
1989
Flight of Black AngelCapt. Eddie Gordon
1991
Hot Shots!Pete 'Dead Meat' Thompson
1991
In the Line of Duty: Ambush in WacoAdrian
1993
The Enemy WithinLt. William Dorsett
1994
Candyman: Farewell to the FleshEthan Tarrant
1995
Project: ALFCapt. Rick Mullican
1996
A Time to RevengeLyle Whittmar
1997
Mad CityCTN Junior Executive
1997
EH
Elvis Has Left the BuildingDanny
1999
DaybreakHead of Security
2000
Terminator 3: Rise of the MachinesMr. Smith
2003
Miss Congeniality 2: Armed and FabulousAgent Jenkins
2005
MoolaMickey Fish
2007
Is That a Gun in Your Pocket?Sam Graves
2016

Television

Miami ViceScotty · 1 eps
1984
Murder, She WroteHank Duncan · 1 eps
1984
Murder, She WroteFBI Agt. Ed Crider · 1 eps
1984
MatlockPaul McBride · 1 eps
1986
Dear JohnBen Conners · 22 eps
1988
Home ImprovementMarty Taylor · 30 eps
1991
The X-FilesGas Station Man · 1 eps
1993
Chicago HopeMr. Loey · 1 eps
1994
Sabrina, the Teenage WitchPoliceman (uncredited) · 1 eps
1996
The West WingFish and Wildlife Deputy · 1 eps
1999
The DistrictDon Hardin · 1 eps
2000
24Sid Paulson · 2 eps
2001
The GuardianBrad Fulton · 1 eps
2001
American Dreams1 eps
2002
CSI: MiamiStewart Otis · 2 eps
2002
Without a TraceCarey Chase · 1 eps
2002
MiraclesAlan · 1 eps
2003
NCISMartin Freydano · 1 eps
2003
TremorsGeorge Meadows · 1 eps
2003
Numb3rsRoland Haldane · 1 eps
2005
Big LoveRonny · 1 eps
2006
Kamen Rider: Dragon KnightXaviax · 1 eps
2008
NCIS: Los AngelesHarry Zinetti · 1 eps
2009
Law & Order: LAJoe Laight · 1 eps
2010
Rizzoli & IslesWorster · 1 eps
2010
Love BitesTy · 1 eps
2011
ShamelessSgt. Rucker · 3 eps
2011
BoschVincent Ackles · 1 eps
2015

Photos

William O'Leary photo
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