Steve Greenstein was an accomplished actor, noted for his comedic timing in his roles for television shows. Greenstein began his acting career with roles in sitcoms like "Seinfeld" (NBC, 1989-1998) and "Head Case" (Starz, 2006-09). During the early stages of his acting career, Greenstein worked in films like "The Bear" (1984). Several more television roles followed in the early 2000s and the 2010s, including stints on "Cupid" (ABC, 2008-09) and "Blue Bloods" (CBS, 2010-). In the early 2000s and the 2010s, he acted in the comedy "Noise" (2008) with Tim Robbins and the Isla Fisher romantic comedy "Confessions of a Shopaholic" (2009). In his more recent career, he tackled roles on "Running Wilde" (Fox, 2010-11) and "Elementary" (CBS, 2012-). He also appeared in the sci-fi motion picture "The History of Future Folk" (2013) with Nils d'Aulaire. Most recently, Greenstein acted on "Benders" (IFC, 2015-).