Person

Denis Arndt

Acting · 1939–2025 · Issaquah, Washington, USA

Denis Leroy Arndt (February 23, 1939 – March 25, 2025) was an American actor, best known for his starring role as Alex Priest in the play Heisenberg for which he earned a 2017 Tony Award nomination for Best Actor in a Play.

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  Grey's Anatomy

  Colonel Daniel Robbins

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  Supernatural

  Father Reynolds

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  CSI: Crime Scene Investigation

  Larry Maddox

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  24

  Don Ashton

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  Columbo

  Paul Mackey

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  JAG

  Richard La Porte

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  Murder, She Wrote

  Lt. Vincent Palermo

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  Boston Legal

  A.D.A. Joshua Wendt

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  The Practice

  A.D.A. Roland Hill

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  How to Get Away with Murder

  Justice Strickland

• 2023Do OverLou
• 2017The Good FightRon
• 2014How to Get Away with MurderJustice Strickland
• 2014Dolphin Tale 2Dennis
• 2010ShuffleBig boss
• 2010Past LifeHenry
• 2006Behind Enemy Lines II: Axis of EvilCIA Director Weylon Armitage
• 2006VanishedSenator Eugene Collins
• 2006BandidasAshe
• 2005SupernaturalFather Reynolds
• 2005Grey's AnatomyColonel Daniel Robbins
• 2005Last Best ChanceNathan Sheldon
• 2004Boston LegalA.D.A. Joshua Wendt
• 2004Anacondas: The Hunt for the Blood OrchidCEO
• 2004Sniper 3William Avery
• 2003S.W.A.T.Sgt. Howard
• 2002Dead HeatIvan Barnes
• 2002UndisputedWarden Lipscom
• 200124Don Ashton
• 2000Boston PublicA.D.A. Roland Hill
• 2000The DistrictOwen Mitchell
• 2000CSI: Crime Scene InvestigationLarry Maddox
• 2000BlastSheriff
• 1999Time of Your Life
• 1999Family LawSzabo
• 1999Get RealStewart Green
• 1999ProvidenceDr. Bill Augustine
• 1998Max Q: Emergency LandingDon Mitchum
• 1998Blackout EffectFrank Wyatt
• 1997Ally McBealMichael Mannix
• 1997NightScreamRay Ordwell
• 1997The PracticeA.D.A. Roland Hill
• 1997AsteroidPresident
• 1997PaybackNeil Stanfill
• 1997MetroCapt. Frank Solis
• 1996The PretenderNick Avani
• 1996The Burning Zone
• 1996The BeastOsborne Manning
• 1995How to Make an American QuiltJames
• 1995JAGRichard La Porte
• 1995The Return of Hunter: Everyone Walks in L.A.Frank Battaglia
• 1994Touched by an AngelDarrell
• 1994Chicago HopeJason Sollers
• 1994Amelia Earhart: The Final FlightJoseph Laughlin
• 1994Tears and Laughter: The Joan and Melissa Rivers StoryJerry Werner
• 1993seaQuest DSVNavy Quartermaster Bickle
• 1993Lois & Clark: The New Adventures of SupermanDr. Sam Lane
• 1993Boy Meets GirlTed Jordan
• 1992Condition: CriticalDr. Austin DeGroose
• 1992Picket FencesFranklin Dell
• 1992Bodies of EvidenceHarris Devlin
• 1992Cruel DoubtLeith Von Stein
• 1992Basic InstinctLieutenant Walker
• 1991One Special VictoryJack Arner
• 1991Herman's HeadRussell Boswell
• 1989Judith Krantz's Till We Meet Again
• 1989Mancuso, F.B.I.
• 1989Life Goes On
• 1988TV 101Officer Checker
• 1988Distant ThunderLarry
• 1988Annie McGuire
• 1988The Wonder YearsMr. Tyler
• 1987Wiseguy
• 1986Crime StoryAl Novak
• 1986L.A. LawJack Sollers
• 1984Murder, She WroteLt. Vincent Palermo
• 1976Dawn Flight
• 1974Runaway on the Rogue RiverJohn Peterson
• 1971ColumboPaul Mackey
• 1956Tony AwardsSelf - Nominee
• 1954The Wonderful World of DisneyJohn Peterson