
Jack has appeared in over 60 feature films, including Men in Black II. One of his most memorable performances was in film Love Liza as Denny, an energetic radio control hobbyist trying to help Philip Seymour Hoffman's character come to terms with the suicide of his wife. He also had a brief but memorable role in The Big Lebowski as The Dude's (Jeff Bridges) landlord. He guest starred in the Star Trek: Deep Space Nine episode "Babel", and in the Angel episode "Long Day's Journey". In 1995 he played Mr. Chase in the Babylon 5 episode "Comes the Inquisitor". Description above from the Wikipedia article Jack Kehler, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Bones
TV • 2005

NCIS
TV • 2003

The Mentalist
TV • 2008

NCIS: Los Angeles
TV • 2009

24
TV • 2001

Sliders
TV • 1995

Northern Exposure
TV • 1990

Monk
TV • 2002

ER
TV • 1994

Diagnosis: Murder
TV • 1993

Diagnosis: Murder
TV • 1993

Mad Men
TV • 2007

Star Trek: Deep Space Nine
TV • 1993

Ellen
TV • 1994

The Practice
TV • 1997

Angel
TV • 1999

L.A. Law
TV • 1986

Las Vegas
TV • 2003