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Denis Arndt

Cast & creator

Denis Arndt

1939-02-23 (died at 86) Issaquah, Washington, USAIMDb

Best known for Grey's Anatomy, Supernatural, CSI: Crime Scene Investigation

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.

Also known as: Dennis Arndt

Movies

30

film credits

Series

44

television credits

Career

74

1954–2023 · acting roles

Credit score

6.8

average across scored titles

Signature credits

Known for

Ordered by popularity

Grey's Anatomy

Grey's Anatomy

Colonel Daniel Robbins · 2005

Supernatural

Supernatural

Father Reynolds · 2005

CSI: Crime Scene Investigation

CSI: Crime Scene Investigation

Larry Maddox · 2000

24

Don Ashton · 2001

JAG

JAG

Richard La Porte · 1995

Across film & television

Filmography (74)

Search filmography

Showing 74 of 74 credits

Grey's Anatomy

Grey's Anatomy

Colonel Daniel Robbins

Supernatural

Supernatural

Father Reynolds

CSI: Crime Scene Investigation

CSI: Crime Scene Investigation

Larry Maddox

24

Don Ashton

JAG

JAG

Richard La Porte

Columbo

Columbo

Paul Mackey

Chicago Hope

Chicago Hope

Jason Sollers

Murder, She Wrote

Murder, She Wrote

Lt. Vincent Palermo

The Practice

The Practice

Roland Hill

The Practice

The Practice

A.A.G. Quentin Reynolds

The Practice

The Practice

Defense Attorney Robertson

How to Get Away with Murder

How to Get Away with Murder

Justice Strickland

Touched by an Angel

Touched by an Angel

Darrell

L.A. Law

L.A. Law

Jack Sollers

Boston Legal

Boston Legal

A.D.A. Joshua Wendt

Tony Awards

Tony Awards

Self - Nominee

The Wonder Years

The Wonder Years

Mr. Tyler

Lois & Clark: The New Adventures of Superman

Lois & Clark: The New Adventures of Superman

Dr. Sam Lane

The Good Fight

The Good Fight

Ron

Boston Public

Boston Public

A.D.A. Roland Hill

The Pretender

The Pretender

Nick Avani

The District

The District

Owen Mitchell

seaQuest DSV

seaQuest DSV

Navy Quartermaster Bickle

Providence

Providence

Dr. Bill Augustine

Providence

Providence

Family Law

Family Law

Szabo

Ally McBeal

Ally McBeal

Michael Mannix

Wiseguy

Wiseguy

Life Goes On

Life Goes On

Picket Fences

Picket Fences

Franklin Dell

Basic Instinct

Basic Instinct

Lieutenant Walker

Crime Story

Crime Story

Al Novak

Herman's Head

Herman's Head

Russell Boswell

The Wonderful World of Disney

The Wonderful World of Disney

John Peterson

Vanished

Vanished

Senator Eugene Collins

TV 101

TV 101

Officer Checker

Get Real

Get Real

Stewart Green

Undisputed

Undisputed

Warden Lipscom

Mancuso, F.B.I.

Mancuso, F.B.I.

S.W.A.T.

S.W.A.T.

Sgt. Howard

Anacondas: The Hunt for the Blood Orchid

Anacondas: The Hunt for the Blood Orchid

CEO

Past Life

Past Life

Henry

Time of Your Life

Time of Your Life

Bodies of Evidence

Bodies of Evidence

Harris Devlin

Bandidas

Bandidas

Ashe

Judith Krantz's Till We Meet Again

Judith Krantz's Till We Meet Again

The Burning Zone

The Burning Zone

Dolphin Tale 2

Dolphin Tale 2

Dennis

How to Make an American Quilt

How to Make an American Quilt

James

Cruel Doubt

Cruel Doubt

Leith Von Stein

Sniper 3

Sniper 3

William Avery

Behind Enemy Lines II: Axis of Evil

Behind Enemy Lines II: Axis of Evil

CIA Director Weylon Armitage

Metro

Metro

Capt. Frank Solis

Annie McGuire

Max Q: Emergency Landing

Max Q: Emergency Landing

Don Mitchum

Distant Thunder

Distant Thunder

Larry

Blackout Effect

Blackout Effect

Frank Wyatt

NightScream

NightScream

Ray Ordwell

Asteroid

Asteroid

President

The Return of Hunter: Everyone Walks in L.A.

The Return of Hunter: Everyone Walks in L.A.

Frank Battaglia

Dead Heat

Dead Heat

Ivan Barnes

Blast

Blast

Sheriff

Amelia Earhart: The Final Flight

Amelia Earhart: The Final Flight

Joseph Laughlin

Last Best Chance

Last Best Chance

Nathan Sheldon

The Beast

The Beast

Osborne Manning

One Special Victory

One Special Victory

Jack Arner

Runaway on the Rogue River

Runaway on the Rogue River

John Peterson

Condition: Critical

Condition: Critical

Dr. Austin DeGroose

Tears and Laughter: The Joan and Melissa Rivers Story

Tears and Laughter: The Joan and Melissa Rivers Story

Jerry Werner

Shuffle

Big boss

Payback

Payback

Neil Stanfill

Boy Meets Girl

Boy Meets Girl

Ted Jordan

Do Over

Lou

Dawn Flight

Dawn Flight