Denis Arndt

Biography

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 Anatomy

as Colonel Daniel Robbins

Supernatural

as Father Reynolds

Basic Instinct

as Lieutenant Walker

S.W.A.T.

as Sgt. Howard

How to Get Away with Murder

as Justice Strickland

24

as Don Ashton

CSI: Crime Scene Investigation

as Larry Maddox

Bandidas

as Ashe

The Wonder Years

as Mr. Tyler

Anacondas: The Hunt for the Blood Orchid

as CEO