Corinne Sullivan / Cosmopolitan: Will Cate Blanchett Star in a 'Squid Game' US Spin-Off? She Finally Addressed the Rumors - The actor said she's "wildly open to anything." - Ever since that shocking Squid Game season 3 ending, fans have been talking about the possibility of a US spin-off series starring Cate Blanchett (and helmed by David Fincher).