Hamilton Clancy is an American actor, director, and producer based in New York, whose exact birthday and birthplace are not publicly confirmed in major sources. A SAG-AFTRA/AEA member, he earned a BFA in Theatre Acting from Catholic University of America (Class of 1984), and studied at The Old Globe, the University of San Diego Shiley Graduate Theatre Program, and the Wynn Handmann Studio. He is the producing artistic director of The Drilling Company Theatrical Productions, a teaching artist at Roundabout Theatre Company, and a husband and father. On stage he has directed numerous Shakespeare plays including Measure for Measure, As You Like It, Twelfth Night, Hamlet, Cymbeline, Coriolanus, The Merry Wives of Windsor, Richard III, Julius Caesar, and Two Gentlemen of Verona, and has played roles including Hamlet, Iago, Henry V, and Benedick. His most notable film credits include Peck in Burn After Reading (2008, directed by the Coen Brothers, with George Clooney and Frances McDormand), a Courthouse Reporter in Bridge of Spies (2015, directed by Steven Spielberg, with Tom Hanks), a Seller in American Gangster (2007, with Denzel Washington and Chadwick Boseman), David Sheehan in The Wizard of Lies (2017, with Robert De Niro and Michele Pfeiffer), a Field Hand in The Better Angels (2014), and a Court Officer in Naked Singularity (2021, with Bill Skarsgård and John Boyega). On television he is best known as CO Kowalski in Orange Is the New Black (2013–2015, 12 episodes, Netflix), with additional credits in Mindhunter (2017, as Alvin Moran, with Holt McCallany), Billions (2016, as Clayton Grunwald), The Leftovers (2014, HBO, with Justin Theroux), Gotham (2014, Fox), One Dollar (2018, as Tom), Blue Bloods (2019), Monsterland (2020), and Crossbones (2014, as Father Daniel). He also co-produced Tryst (2015).