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Miriam Yeung (楊千嬅) as Wu Shi Lang (Pidge) 武十郎 – Female 24 years old :The main character of the story. Wu Shi Lang is a humble and responsible person. She is forced to live as a boy from birth to her early adult years because of her family situation. She has good martial arts skill that she learned from her father Wu Ding Dang. Wu Shi Lang fights for justice in the Shi Li and Qing Mao (towns that she lives in) and appreciates her friendship with Li Ya Shou. At the end both Li Ya Shou and Lei Sheng Da fights to win her love. •
Wallace Huo (霍建華) as Li Ya Shou (Keith)李亚寿 – Male 25 years old :His parents died when he was young, he was taken in and raised by the Wu family. His father Mao Mao was a respected man in martial arts and he looks exactly like him. Li Ya Shou is optimistic, loyal, and materialistic. His wish is to marry a rich and beautiful woman, so it can change his life as a poor man. Although Li Ya Shou is very lazy and boastful, he also appreciates the friendship with Wu Shi Lang, and fights for justice. •
George Hu (胡宇崴) as Lei Sheng Da (Harry) 雷声大 – Male 25 years old :He is a tall, good-looking and talented gentleman. Lei Sheng Da is heavily influenced by Western culture. He is the son of Lei Lao Hu and the younger brother of Lei Xiao Yu. He and his sister Lei Xiao Yu both have an extreme belief in love. Lei Sheng Da falls in love with Wu Shi Lang the first time he sees her. He is optimistic and smiles even having hard times. Lei Sheng Da inherits his mother's martial arts. •
Zhang Meng (張萌) as Lei Xiao Yu (Lina) 雷小雨 – Female 26 years old :She is a tall and beautiful woman. Lei Xiao Yu dreams for a true hero to appear and protect her. There are several men that she thought of as her true love, such as Wu Shi Lang, Li Ya Shou and Lin Chi. In the end she falls in love with the Lei family butler Chang Ling Lu, and they get married. ==Supporting cast==