Mark Jeffrey Blum (May 14, 1950–March 26, 2020) was an actor who played six different characters in all three primary shows of the Law & Order franchise.
Law & Order
- Jurisdiction (1993) and Agony (1998) as Brooklyn A.D.A./Attorney Frank Lazar
- Seed (1995) as Michael Aronson
- Dignity (2009) as Expert Doctor
Law & Order: CI
Law & Order: SVU
- Personal Fouls (2011) as David Arnoff
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