John Cullum (born March 2, 1930) is an American actor and singer. He is a five-time Tony Award nominee and two-time winner, both for Best Leading Actor in a Musical (Shenandoah in 1975 and On the Twentieth Century in 1978). On screen, Cullum is best known for his starring role as tavern owner Holling Vincoeur in Northern Exposure (1990 - 1995), which earned him an Emmy nomination. He also had recurring roles on ER, Law & Order: SVU, The Middle, and Madam Secretary. His film appearances include Hawaii (1966), 1776 (1972), All Good Things (2010), Kill Your Darlings (2013), Before We Go (2014), a…