The actress also said that she had no problem with the risqué themes of the HBO comedy-drama, although she would not let her children watch it.
Heche explained to Metro: "Well I don't have to do any nudity so I love it. I have to be the one girl. There are so many girls who come on the show and get naked.
"But I'm an adult, I like a dramedy, I like adult situations. Adults have sex. I think what people discuss about the show is sexy, it's tantalising. But I'm not going to have my 8-year-old watch it."
She added: "The show is successful so it's good. It's much better to be on a successful show that everyone loves rather than something that no-one sees and wonders what you're doing. I love that people want to talk about this."