The 47-year-old actress, who plays FBI Special Agent Dana Scully in the show, said she was shocked and had to fight for a wage equal to that of her male co-star, reported People magazine.
"It was shocking to me, given all the work that I had done in the past to get us to be paid fairly. I worked really hard toward that and finally got somewhere with it," Anderson said.
"Even in interviews in the last few years, people have said to me, 'I can't believe that happened, how did you feel about it, that is insane.' And my response always was, 'That was then, this is now.' And then it happened again! I don't even know what to say about it," she adds. "It is ... Sad. It is sad," she added,
The series premieres on Saturday, January 30.
