Wentworth Miller played Michael Scofield (a straight guy) in a hit series “Prison Break”. He didn’t revealed he was gay at first, thinking it might affect him and his career. But then he decided to come out as gay when he declined an invitation to attend the St. Petersburg International Film Festival, due to the country’s anti-gay laws.
Jim Parsons, Emmy Award-winning actor who have played the boyfriend of the main character’s mother in “Garden State” and Sheldon Cooper, a character who is in a relationship with a woman, Amy Farrah Fowler in “The Big Bang Theory”, is actually gay and he had been in a serious relationship with Todd Spiewak for 10 years.
Cynthia Nixon or Miranda Hobbes of “Sex and the City” who married a man named Steve and eventually had a child with him in the movie, is a lesbian in real life and has one child with her wife Christine Marinoni. Prior to her relationship with Marinoni, an education activist, Nixon was involved with English professor Danny Mozes (male), with whom she has two children. So actually she is bisexual.
Sara Gilbert, who played heterosexual characters Darlene Conner-Healy on “Roseanne” and Leslie Winkle on “The Big Bang Theory”, came out as a lesbian in 2010. She has two children with her ex-partner of 10 years, Allison Adler, and she began dating musician Linda Perry after the split. Actress and “The Talk” co-host Sara Gilbert revealed recently that she realized she was gay while dating “The Big Bang Theory” star Johnny Galecki when she was a teenager.
Neil Patrick Harris
Neil Patrick Harris, who played a straight dude in movies like “Harold & Kumar” and “Do Things While Stoned”, and Barney Stinson, a lying, cheating womanizer who eventually decided to settle down with one woman in “How I Met Your Mother”, is gay. He and his partner David Burtka have twins together through a surrogate, and he is very open about his sexuality