Original answer:
"No."
...
Well, I've heard different.
My source is a bit on the tenuous side (I know someone from Bristol where Skins is filmed, and they see the cast of Skins going around town quite regularly), so take it with a pinch of salt, but apparently he's got a boyfriend.
Yes, he is openly gay.
Anthony Geary is an actor. He is best known for his long lasting role as Luke on General Hospital. He does not speak about his sexual orientation to the public.
Luke Rowe, the Welsh Racing Cyclist has not stated his sexual preference in public. WikiAnswers will not speculate on what is personal and private information to any individual.
Luke Mably has not publicly discussed his sexual orientation, so it is not confirmed whether he is gay or bisexual.
She is straight. She has dated Luke Worrall, Anton Lombardi, and Rob Damiani to name a few.
The Joker's sexual orientation is not written into his character.
Soko's sexual orientation is heterosexual/straight.
Nothing is known of her sexual orientation.
The character of Flapjack is not written with sexual orientation
Van Hansis, though playing a gay character (Luke) on the show As The World Turns, has not made a public statement regarding his sexual orientation. Until said statement is made, only assumptions, not answers, can be truthfully given.
The fictional character of Yoshi is not depicted with sexual orientation.
Frankie Muniz has not stated his sexual orientation.