Option Zero

Julian Cheung Chi-Lam

Ben

Anthony Wong Chau-Sang

Sing

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

Joseph Cheung Man-Kwong

Joe

Michael Tong Man-Lung

Michael

Lee Yue-Ling

Arm dealer

Roderick Lam Chung-Kei

Ah Chiu / Jim

John Chan Wing-Fai

John

Jerome Fung

Vincent Kok Tak-Chiu

Gary Mak Wing-Lun