Tony Leung as Lai Liu Po

Miriam Yeung Chin-Wah as Yip Koo Hung

Ronald Cheng Chung-Kei as Crab Duen

Chapman To Man-Chat as Honey / fake tiger

Vincent Kok Tak-Chiu as Hung's boss

Alex Fong Chung-Sun as Hung's father

Teresa Carpio as Hung's stepmother

Mark Lui as Court offical

Ken Wong as Gakyi

Anya as Polyester

Ken Chang Tzu-Yao as Hollywood action star

Sammy Leung as Ah Ping

Kitty Yuen Siu-Yee as Ah Fa

Shawn Yue Man-Lok as Policeman at boat yard

Cheung Tat-Ming as Senior Coast Guard on yacht

William So Wing-Hong as Customer in cybercafe / Emperor

Josie Ho as Mrs Ma Lau Mei Mei

Tenky Tin Kai-Man as Tien Tien

Maggie Lau as Po's student

Jonathan Lee Yat-Sing as

Maggie Poon Mei-Kei as

Joe Cheng Cho as

Rain Lee Choi-Wah as

Eddie Yeung Lun as