Stranger Things cast weren’t sure if the hit TV show would be renewed for a second season, one of its stars has said.The show premiered on Netflix in 2016 and became one of the streaming platform’s biggest successes.However, Natalia Dyer – who plays Nancy Wheeler in the programme – has said those involved had no idea how its audience would respond to it. “Nobody knew if it was going to get picked up again after we finished filming season one,” she told the Independent.