Option Zero: Cast
Carman Lee Yeuk-Tung
Kelly
Monica Chan Fat-Yung
Monica Leung
Michael Wong
G4 Trainer
Ching Fung
Kim Chong Yat
Nancy Lan Sai
Amy
Cheung Hung-On
Chi
Farini Cheung Yui-Ling
Grace
Michael Tong Man-Lung
Michael
Lee Yue-Ling
Arm dealer
Roderick Lam Chung-Kei
Ah Chiu / Jim
John Chan Wing-Fai
John
