There have been various speculations about the actress cast as Pan Jinlian in the new Water Margin. It was even rumored that Fan Bingbing would play this role. Ultimately, this part went to a new actress called Gan Tingting, which could be called an unexpected choice. No one knows where Gan Tingting comes from. It's a mystery how she was chosen. Were there any "hidden rules"? There is no definite answer to all these questions...