|Born||May 14, 1950|
Newark, New Jersey, U.S.
Blum started acting on stage in the 1970s. In the 1980s, he acted in these movies: Lovesick (1983), Desperately Seeking Susan (1985), Just Between Friends (1986), Crocodile Dundee (1986), Blind Date (1987), and The Presidio (1988).
On television, he co-starred in Sweet Surrender in 1987. He also appeared in the following: Capital News in 1990, Frasier (season 5) in 1997, and NYPD Blue in 1999. From 2014 to the present, he has appeared in Mozart in the Jungle and Coin Heist (2017).
He won an Obie Award for his performance as Al in the Playwrights Horizons production of Albert Innaurato's play, Gus and Al, in the 1988–1989 season. On Broadway, he appeared in Neil Simon's Lost In Yonkers, Gore Vidal's The Best Man, and Richard Greenberg's The Assembled Parties. In 2013, he appeared as Max in the Primary Stages production of The Model Apartment. Blum currently is on the faculty of HB Studio in New York City.
In 2018, Blum was cast in a recurring role as Ivan Mooney in the former Lifetime thriller series, You. On 3 December 2018, it was announced that You would move to Netflix as a "Netflix Original" title, ahead of the premiere of the second season.
He is a graduate of the University of Pennsylvania. He is married to actress Janet Zarish, who appeared on television as Natalie Bannon on As the World Turns and as Lee Halpern on One Life to Live.
|1985||Desperately Seeking Susan||Gary Glass|
|1986||Just Between Friends||George Margolin|
|1986||Crocodile Dundee||Richard Mason|
|1987||Blind Date||Denny Gordon|
|1988||The Presidio||Arthur Peale|
|1989||Worth Winning||Ned Broudy|
|1993||Emma and Elvis||Ben Winchek|
|1995||Denise Calls Up||Dr. Brennan, Obstetrician|
|1995||The Low Life||Matthew Greenbert|
|2000||Down to You||The Interviewer|
|2003||Shattered Glass||Lewis Estridge|
|2010||Step Up 3D||NYU Professor|
|2011||I Don't Know How She Does It||Lew Reddy|
|2016||No Pay, Nudity||Leon|
|1984||St. Elsewhere||Dr. Vogel||Episode: "Two Balls and a Strike"|
|1987||Sweet Surrender||Ken Holden||6 episodes|
|1987||Miami Vice||Sid Shenker||Episode: "Contempt of Court"|
|1990||Capital News||Edison King||13 episodes|
|1991||Roseanne||Mike Summers||Episode: "Aliens"|
|1992||Condition Critical||Dr. Howard Zuckerman||TV Movie|
|1993–1998||Law & Order||Brooklyn A.D.A. Frank Lazar||2 episodes|
|1995||Indictment: The McMartin Trial||Wayne Satz||TV Movie|
|1996||Wings||Larry Mohr||Episode: "What About Larry"|
|1997||Ink||Greg Armstrong||Episode: "Face Off"|
|1997||Frasier||John||Episode: "The 1000th Show"|
|1996, 1999||NYPD Blue||FBI Agent Mike Francis||2 episodes|
|1999||The Sopranos||Randall Curtin||Episode: "Meadowlands"|
|1999||The West Wing||Rep. Katzenmoyer||Episode: "Five Votes Down"|
|2000||Family Law||Russell Hollenbeck||Episode: "Stealing Home"|
|2001||Ed||Arnold Bancroft||Episode: "Goodbye Sadie"|
|2002||The Practice||State's Atty. Michael Scannel||Episode: "Evil/Doers"|
|2004||CSI: Miami||Jim Rennert||Episode: "Deadline"|
|2004||Judging Amy||Richard Kinrich||Episode: "Slade's Chophouse"|
|2006||Law & Order: Criminal Intent||Professor Larry Lewis||Episode: "Proud Flesh"|
|2008||New Amsterdam||Dr. MacVittie||Episode: "Soldier's Heart"|
|2008||Fringe||Dr. Claus Penrose||Episode: "The Same Old Story"|
|2009||Mercy||Dr. Austin||Episode: "I'm Not That Kind of Girl"|
|2010||The Good Wife||Julius Kreutzer||Episode: "Unplugged"|
|2011||Jesse Stone: Innocents Lost||Dr. Parkinson||TV Movie|
|2011||Law & Order: Special Victims Unit||David Arnoff||Episode: "Personal Fouls"|
|2012||Pan Am||Captain Jackson||Episode: "1964"|
|2014-18||Mozart in the Jungle||Union Bob||30 episodes|
|2016||The Blacklist||Noah Shuster||Episode: "Lady Ambrosia (No. 77)"|
|2018||You||Mr. Mooney||4 episodes|
|2018||Elementary||Ira Langstrom||Episode: "Bits and Pieces"|
|2018||Succession||Bill||Episode: "Sad Sack Wasp Trap"|
- Staff, Hollywood.com (2015-02-05). "Mark Blum | Biography and Filmography | 1950". Hollywood.com. Retrieved 2017-05-22.
- Mark Blum on IMDb
- The Complete Directory to Prime Time Network and Cable TV Shows, 1946-Present. Ballantine Books. 2003. pp. 1159, 188. ISBN 0-345-45542-8.
- 1988–89 Obie Awards. InformationPlease.com; retrieved March 23, 2016.
- HB Studio faculty page
- Mitchell, Molli (January 17, 2019). "You on Netflix spoilers: What happened to Mr Mooney? What did he do to Joe?". Express. Retrieved June 6, 2019.
- Lesley, Golberg (December 3, 2018). "Greg Berlanti's You Moves to Netflix as Lifetime Bails on Season 2". The Hollywood Reporter. Retrieved June 6, 2019.
- Mann, Mary. "Zach Braff Inducted Into Columbia High School Hall of Fame", The Village Green of Maplewood & South Orange, May 29, 2015. Accessed November 12, 2018.
- Soaps.com Bio
- Mark Blum on IMDb
- Mark Blum at the Internet Theatre Database
- Mark Blum at the Internet Broadway Database
- Mark Blum at the Internet Off-Broadway Database
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