1939Born, Issaquah
71Credits
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.
Known for
Grey's AnatomyColonel Daniel Robbins
SupernaturalFather Reynolds
Basic InstinctLieutenant Walker
S.W.A.T.Sgt. Howard
24Don Ashton2017The Good FightRon · 1 episodeShow
2014How to Get Away with MurderJustice Strickland · 1 episodeShow
2010Past LifeHenry · 1 episodeShow
2006VanishedSenator Eugene Collins · 2 episodesShow
2004Boston LegalA.D.A. Joshua Wendt · 1 episodeShow
2000Boston PublicA.D.A. Roland Hill · 1 episodeShow
2000The DistrictOwen Mitchell · 1 episodeShow
1999Time of Your Life3 episodesShow
1999Family LawSzabo · 1 episodeShow
1999Get RealStewart Green · 1 episodeShow
1999ProvidenceDr. Bill Augustine · 8 episodesShow
1997The PracticeRoland Hill, Defense Attorney Robertson, A.A.G. Quentin Reynolds · 4 episodesShow
1996The PretenderNick Avani · 1 episodeShow
1996The Burning Zone1 episodeShow
1994Touched by an AngelDarrell · 1 episodeShow
1994Chicago HopeJason Sollers · 1 episodeShow
1993seaQuest DSVNavy Quartermaster Bickle · 2 episodesShow
1993Lois & Clark: The New Adventures of SupermanDr. Sam Lane · 1 episodeShow
1992Picket FencesFranklin Dell · 12 episodesShow
1992Bodies of EvidenceHarris Devlin · 3 episodesShow
1992Cruel DoubtLeith Von Stein · 2 episodesShow
1991Herman's HeadRussell Boswell · 1 episodeShow
1989Judith Krantz's Till We Meet AgainSwede Castelli · 2 episodesShow
1989Mancuso, F.B.I.1 episodeShow
1989Life Goes On2 episodesShow
1988TV 101Officer Checker · 1 episodeShow
1988Annie McGuire11 episodesShow
1988The Wonder YearsMr. Tyler · 1 episodeShow
1987Wiseguy1 episodeShow
1986Crime StoryAl Novak · 3 episodesShow
1986L.A. LawJack Sollers · 9 episodesShow
1984Murder, She WroteLt. Vincent Palermo · 1 episodeShow
1954The Wonderful World of DisneyJohn Peterson · 1 episodeShow
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