Vivian Sung as Lee Siying

Bruce He as Tzeng Yuan-Tuo / A-Tuo

Vivian Chow as Café Owner

Megan Lai as Abusi

Marcus Chang as Ze Yu

Pauline Lan as Auntie Jindao

Lee Luo as Brother Bao

Cheng Chih-wei as Gang Leader of Islander

Wong Yat-Fei as Senior Leader of Iron Head Organization

Ben Lam Kwok-Bun as Senior Leader of Karate Organization

Hsi-Tien Huang as Chinese Sausage Peddler

Yuri Kao as A-Zhu

Sing Hom as Boyfriend of Café Owner

Katie Chen as Café Owner in youth

Ethan Lo as Little A-Tuo

Michelle Chen as Customer

Chen Yen-Tso as A-Tuo's friend

Cammy Chiang as Spicy Girl in Biker Gang

Kerr Hsu as Leader of the Gang of Charity Pens

Jiu Kong as Gang Leader

Emerson Tsai as Liao Ying-hung

Chang Chien Yi-Chung as Mover