Lee Min-ho

as Lee San

Wallace Chung Hon-Leung

as A-Yo / Wong Bok-Yo

Tang Yan

as Wonder Woman Cat

Karena Ng Chin-Yu

as Swan

Louis Fan Siu-Wong

as Baobao / "Babe" / "Bobo"

Xu Zhengxi

as Tommy

Kim Min-kyo

as Eom Sam

Hwang Bo-ra

as Chairman's entourage / Cat stand-in

Lee Kyu-ho

as Eom Sam's subordinate

Seo Chong-ju

as Tommy's Subordinate