Cast & creator
Mark Blum
Best known for Law & Order: Special Victims Unit, Law & Order, Law & Order
Mark Blum (May 14, 1950 - March 26, 2020) was an American actor in movies, on television and stage. He found success with a lead role as Gary Glass in the 1985 film Desperately Seeking Susan, which he followed up the next year with a supporting role as Richard Mason in Crocodile Dundee. He had a regularly recurring role as Union Bob on the Amazon Prime series Mozart in the Jungle from 2014 to 2018. He was married to actress Janet Zarish from 2005 until his death in 2020 from COVID.
43
film credits
38
television credits
78
1982–2020 · acting roles
6.4
average across scored titles
Signature credits
Known for
Across film & television
Filmography (81)
Showing 81 of 81 credits
Law & Order: Special Victims Unit
David Arnoff
1999
Law & Order
A.D.A. Frank Lazar
1990Law & Order
Doctor
1990Law & Order
Defense Attorney Michael Aronson
1990Law & Order
Frank Lazar
1990
The Sopranos
Randall Curtin
1999
Frasier
John
1993
CSI: Miami
Jim Rennert
2002
The Good Wife
Julius Kreutzer
2009
The West Wing
Katzenmoyer
1999
Elementary
Irvin Langstrom
2012
Fringe
Claus Penrose
2008
Law & Order: Criminal Intent
Philip Oliver
2001Law & Order: Criminal Intent
Larry Lewis
2001
The Practice
State Attorney Michael Scannel
1997
Billions
Dr. Mark Rutenberg
2016
NYPD Blue
Dr. Roland Sachs
1993
You
Mr. Mooney
2018
St. Elsewhere
Dr. Vogel
1982
Judging Amy
Richard Kinrich
1999
Miami Vice
Sid Shenker
1984
The Good Fight
Julius Kreutzer
2017
Wings
Larry Mohr
1990
Succession
Bill
2018
Family Law
Russell Hollenback
1999
New York Undercover
Dr. Vincent
1994
Mozart in the Jungle
Union Bob
2014
Ed
Arnold Bancroft
2000
Difficult People
Rabbi Schecter
2015
Central Park West
1995
Crocodile Dundee
Richard Mason
1986
Mercy
2009
New Amsterdam
Dr. Macvittie
2008
Roseanne
1988
Step Up 3D
NYU Professor
2010
Almost Family
Dr. Lewis
2019
Capital News
Edison King
1990
Deadline
2000
Shattered Glass
Lewis Estridge
2003
Down to You
The Interviewer
2000
Human Capital
Rex
2020
Desperately Seeking Susan
Gary Glass
1985
I Don't Know How She Does It
Lew Reddy
2011
Blind Date
Denny Gordon
1987Sweet Surrender
1987
The Presidio
Arthur Peale
1988
Miami Rhapsody
Peter
1995
Indictment: The McMartin Trial
Wayne Satz
1995
Sister of the Groom
Nat
2020Sister of the Groom
In Memory Of
2020
Coin Heist
Mr. Smerconish
2017
Jesse Stone: Innocents Lost
Dr. Parkinson
2011
The Judge
Harry Hobbs
2001
Worth Winning
Ned Braudy
1989
Getting to Know You
Darrell
1999
Just Between Friends
George Margolin
1986The Judge
Harry Hobbs
2001
Denise Calls Up
Obstretrician
1995
Love Is Blind
Dr. Klienart
2019Blumenthal
Saul Blumenthal
2013
The Warrior Class
Richardson
2007
How He Fell in Love
Henry
2015
You Can Thank Me Later
Edward Cooperberg
1998
Sudden Manhattan
Louis
1996
Stag
Ben Marks
1997
The Green
Stuart
2011
Lovesick
Intern Murphy
1983
Zen and the Art of Landscaping
Richard Baxter
2001
Search and Destroy
Associate Producer
1995
Condition: Critical
Dr. Howard Zuckerman
1992Life on the Ledge
Father
2005Night Springs
Dr. Barclay Colvin
2010
No Pay, Nudity
Leon/Lester's Agent
2016
Fault
Warren
2019
The Defenders: Payback
Jackson
1997Things Are Looking Up
Ray Litertini
1984
The Low Life
Matthew Greenberg
1995The Low Life
Executive Producer
1995Emma and Elvis
Ben
1992
A Wife Alone
George
2012
Victor in Paradise
Martin
2020