18. Tony and Emmy award-winning actor Nathan Lane stole the show in 1996′s The Birdcage, in which he co-starred alongside Robin Williams. The New York native has been praised by organizations such as the Human Rights Campaign and GLAAD for his work in the LBGT community. 20. Chad Allen starred on Dr. Quinn: Medicine Woman for five years during the 90s; he has been a noted activist for same sex marriages and a political ally of San Francisco Mayor Gavin Newsom.