John Hartmann

The Pitt 9th January 2025 as William Booker

The Santa Stories 8th December 2023 as Deputy

Space Force 29th May 2020 as Chambers

9-1-1: Lone Star 19th January 2020 as Dr. Nelson

For All Mankind 1st November 2019 as Administrator Richard Truly

The Morning Show 1st November 2019 as Interviewer

Unbelievable 13th September 2019 as Donald Hughes

GLOW 23rd June 2017 as Stanford Dad

The Good Place 19th September 2016 as Bart

Better Call Saul 8th February 2015 as Mr. Pearson

black-ish 24th September 2014 as Financial Advisor

Hello Ladies 29th September 2013 as Limo Driver

Pair of Kings 10th September 2010 as Rockhead

NCIS: Los Angeles 22nd September 2009 as Bryan Colster

Lie to Me 21st January 2009 as Frank Stoll

Mad Men 19th July 2007 as Jeff Arbus

Bones 13th September 2005 as Mr. Gough

The Office 24th March 2005 as Kendall

Medium 3rd January 2005 as Forensics Specialist

Boston Legal 3rd October 2004 as Tom Raulston

Medical Investigation 9th September 2004 as Dr. Hall

Arrested Development 2nd November 2003 as CEO

NCIS 23rd September 2003 as DOD IG Inspector Richard Sullivan

Without a Trace 26th September 2002 as Husband

Monk 12th July 2002 as Mr. Hoffman

The Guardian 25th September 2001 as Jerry Pine

Curb Your Enthusiasm 15th October 2000 as Greene's Neighbor

The West Wing 22nd September 1999 as Floor Manager

Law & Order: Special Victims Unit 20th September 1999 as Court Clerk

Law & Order: Special Victims Unit 20th September 1999 as Clerk #2

Law & Order: Special Victims Unit 20th September 1999 as Arraignment Clerk

Law & Order: Special Victims Unit 20th September 1999 as Clerk

Law & Order 13th September 1990 as Police Property Clerk

Law & Order 13th September 1990 as Court Clerk