- Country: Hong Kong
- Genres: Crime, Drama
- Release: 2001-04-12
- Director: Jingle Ma Choh-Sing
- Writers: Susan Chan , Sin Ling Yeung
- Language: Cantonese
- Stars: Ekin Cheng Yee-Kin , Karen Mok , Kin-Lung Au , Bond Chan , Po Chun Chan , Sang Chan , Tat-Kwong Chan , Kim-Fai Che , Stephanie Che , Shung Gei Cheung
- Runtime: 101 min
- Awards: 1 nomination
- AKA: Goodbye Mr. Cool (Hong Kong) , Goodbye, Mr. Cool (United Kingdom) , Goodbye, Mr. Cool , Goodbye, Mr. Cool (United States of America) , Gau Lung bing sat (Hong Kong) , Gau Lung bing sat (Germany) , Goodbye Mr. Cool , Goodbye, Mr. Cool (Hong Kong) , Reisen , Jiu Long bing shi (Hong Kong) , 九龍冰室 (Hong Kong) , Gau Lung bing sat , 冷戦 (Japan)
- Plot:
Ekin Cheng stars in this gritty triad action drama as Dragon, a talented former hitman who has reformed and is now a waiter at a blue collar cafe. However, when his ex-girlfriend becomes the queen of the Underworld, she becomes determined to entice him back to a life of crime. Resistant at first, Dragon gets pulled back into the crime world as a violent gang war erupts.
- IMDB:tt0304098
Goodbye, Mr. Cool Cast · · · ALL
Jingle Ma Choh-Sing
Director
Ekin Cheng Yee-Kin
Cool Dragon
Karen Mok
Helen
Rain Li
Ms. Mung
Pin-Yuan Huang
Lam Suet
Kong
Chapman To
Long Hair
Stephanie Che
JoJo
Tam Wai-Ho
Poon Siu Lung
Kenji Tanigaki
Lok