John Hartmann
Known for: Acting
Known for
Showing 12 of 36 titles
8.1
TV
Mad Men
Jeff Arbus
2007
Drama
7.9
TV
Arrested Development
CEO
2003
Comedy
8.2
TV
The West Wing
Floor Manager
1999
Drama
7.2
TV
Without a Trace
Husband
2002
Crime
8.6
TV
The Office
Kendall
2005
Comedy
6.5
TV
Space Force
Chambers
2020
Comedy
6.5
TV
Medical Investigation
Dr. Hall
2004
Drama
7.5
TV
NCIS: Los Angeles
Bryan Colster
2009
Drama
7.0
TV
The Guardian
Jerry Pine
2001
Drama
7.6
TV
NCIS
DOD IG Inspector Richard Sullivan
2003
Crime
7.9
TV
Boston Legal
Tom Raulston
2004
Comedy
8.7
TV
The Pitt
William Booker
2025
Drama