Bier, known for her foreign language Oscar-winner "In a Better World", said she is not finished with the spies yet because of their secretive personality, according to The Hollywood Reporter.
"I am definitely not finished with spies. The things about spies is that one of the most exciting things in film or TV drama is secrets, and who has more secrets than spies? If I read a more action-like thing I would be intrigued by that," she said.
The 56-year-old Danish filmmaker has also advised other female directors to give priority to their family and kids and should not think that they are not allowed to have a life because of this profession.