Cheyenne Jackson (born July 12, 1975) is an American actor and singer. He started in regional theater when he moved to Seattle, and after moving to New York City, made his 2002 Broadway theatre debut understudying both male leads in the Tony Award-winning musical Thoroughly Modern Millie. In 2005, he originated his first Broadway leading role in All Shook Up earning him a Theatre World Award for "Outstanding Broadway Debut". Jackson's albums include Original Broadway cast recording with All Shook Up (2005), Xanadu (2007) and Finian's Rainbow (2009). He has one studio album with Michael Feinstein called The Power of Two (2009). In films, Jackson portrayed 9/11 victim and hero Mark Bingham in the 2006 Academy Award nominated United 93 which earned him the Boston Society of Film Critics 2006 award for "Best Ensemble Cast". He has also appeared in the films Curiosity and Hysteria. On television, he is a recurring series regular on NBC's 30 Rock, portraying Jack/Danny Baker. He also guest starred on several series including; Lipstick Jungle, Life on Mars, Ugly Betty and more recently Glee. He is openly gay and an LGBT rights supporter, as well as an ambassador for amfAR (The Foundation for AIDS Research) and the national ambassador for The Hetrick-Martin Institute. Jackson's partner, Monte Lapka, is a physicist; they have been together since 2000.