Glenn Fleshler is an American theater, television and film actor.
Fleshler studied acting at New York University's Tisch School of the Performing Arts, from which he has an MFA.
Fleshler's first major film was 1998's A Price Above Rubies. More recently, he has appeared in such films as Blue Jasmine, A Most Violent Year, God's Pocket, and The Rendezvous.
Fleshler's television credits include Sex and the City, Law & Order, Law & Order: Special Victims Unit, Third Watch, Blue Bloods, Bored to Death, The Good Wife, and The Following. He portrayed George Remus in seasons 2–4 of Boardwalk Empire, and Errol Childress in HBO's True Detective. He played Dr. Cordell Doemling, Mason Verger's physician and henchman, in season 3 of NBC's Hannibal. He played Judge Roth in HBO's miniseries The Night Of.
Fleshler's Broadway credits include Death of a Salesman, Guys and Dolls, Arcadia and The Merchant of Venice. Off-Broadway, he has appeared in such plays as Measure for Measure and Pericles, Prince of Tyre.