The film stars Wang Yin himself, as well as 21-year-old Gua Ah-leh in her acting debut.
Wang Yin handpicked Gua Ah-leh, a recent graduate of National Taiwan Academy of Arts (now National Taiwan University of Arts), from over a thousand candidates for the lead role.
The film's other investors wanted a "sexier" bankable actress, but Wang wouldn't budge.
Eventually Wang had to finance the film all by himself after other investors quit the project, but his selection proved brilliant.
[1][2] 1966 4th Golden Horse Awards Gua at that time was the youngest Best Leading Actress winner in Golden Horse Awards history.