Jack Koenig (born May 14, 1959, in Rockville Centre, New York) is an American actor best known for his work in theatre and television. He is most familiar to audiences for playing Michael Conway on Sex and The City, Dr. Levin in The Blacklist, Ronald Danzer in Gotham, Defense Attorney Swift in Law & Order, and Grant Ward in Madoff. For his work in the Off-Broadway production Tabletop, he was awarded the 2001 Drama Desk Award for Outstanding Ensemble Performance.
Continuing to work Off-Broadway through the 1990s, he performed in a variety of productions including Grand Finale at Ubu Repertory Theatre, Herb Gardner's I'm With Ya Duke with David Margulies at Ensemble Studio Theatre, The Voysey Inheritance at The Mint, Misalliance and Cymbeline at Pearl Theatre,
The following year he made his Broadway theatre premiere in The Lion King as Scar. His theatre work continued with acclaimed original runs in Dan Dietz's Clementine in the Lower 9, The Flag Maker of Market Street and Blood Divided at Alabama Shakespeare Festival, in revivals of David Mamet's Race, A Moon for the Misbegotten at Virginia Stage Company, Absurd Person Singular, The Christmas Story, Laughing Stock, A Doll's House, Heartbreak House, The Seagull, An Inspector Calls, Present Laughter, and a return to the Shakespeare Theatre to work with Michael Kahn again, 32 years after his debut, in Harold Pinter's The Collection. Off-Broadway his work has continued with The Actors Company Theatre in The Cocktail Party and Incident at Vichy, in staged readings at The Players Club with David Staller's Gingold Theatrical Group in The Apple Cart, Saint Joan, Caesar and Cleopatra, and In Good King Charles' Golden Days, in Perfect Crime with Catherine Russell, and in A.R. Gurney's The Grand Manner with Kate Burton at the Mitzi Newhouse Theatre. On Broadway he has performed in the Tony Award-winning play Oslo directed by Bartlett Sher, Accent on Youth with David Hyde Pierce, and The Pitmen Painters. Recently he joined the cast of Harry Potter and the Cursed Child; Parts One and Two on Broadway at The Lyric Theatre.
Koenig's television guest appearances have increased to include Law & Order as the recurring character Defense Attorney Swift, , and , The Good Wife, Zero Hour, Forever, Unforgettable, Boardwalk Empire, Madoff, Power, Pose, Gotham, and The Blacklist.
| + !Year !Title !Role !Notes | |||
| 1994 | I.Q. | First Reporter | |
| 1996 | The Proprietor | Apartment Doorman | |
| 1999 | My Girlfriend's Boyfriend | Wes | |
| 2003 | Marci X | Reporter | |
| 2010 | Ceremony | Party Guest No. 5 | |
| 2021 | Clean | Priest |
| 1988 | Monsters | Jack Avery | Episode: "The Vampire Hunter" |
| 1994 | The Cosby Mysteries | Richard Blume | Episode: "Only You" |
| 1998 | Sex and the City | Michael Conway | Episode: "The Monogamists" |
| 1998–2006 | Law & Order | Various roles | 4 episodes |
| 1999 | Now and Again | Government Agent No. 2 | Episode: "Over Easy" |
| 1999–2010 | As the World Turns | Dr. Ripley / Sheriff Dooley | 3 episodes |
| 2001 | The Education of Max Bickford | Steve Bettis | Episode: "Herding Cats" |
| 2002, 2006 | Attorney Javits / Ron Sherwood | 2 episodes | |
| 2005 | Edgar Hamill | Episode: "Alien" | |
| 2012 | The Good Wife | Arnold Wyatt | Episode: "A Defense of Marriage" |
| 2013 | Zero Hour | SS Officer | Episode: "Chain" |
| 2014 | Gotham | Ronald Danzer | Episode: "The Balloonman" |
| 2014 | Boardwalk Empire | Agent No. 6 | Episode: "Eldorado" |
| 2014, 2015 | Forever | Captain | 2 episodes |
| 2015 | The Blacklist | Dr. Levin | 3 episodes |
| 2016 | Unforgettable | Brian Fenton | Episode: "Paranoid Android" |
| 2016 | Madoff | Grant Ward | 4 episodes |
| 2017 | Power | Marvin Miller | Episode: "Things Are Going to Get Worse" |
| 2018 | Pose | Joe Bockol | Episode: "Pink Slip" |
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