The 36-year-old actor and West play Noah Solloway and Alison Lockhart in the drama series created by Sarah Treem and Hagai Levi. The show's fourth season will premier in June this year.
"I definitely get less money than a male in my situation would. Certainly when I signed up to that project, I would have got paid less.
"'Then (the producers) might argue, 'Well, he's already done a major American TV show so he's already got a level.' But even after a Golden Globe I'm not going to be on parity." Wilson said.
"It's quite hard to bring that up in a way. But it needs to be an open discussion and men need to help us out," Wilson said.
"I don't want more money, I just want equal money. Which means men have to take less," Wilson said.