Shu Qi

Ai Lin

Zhao Wei

Ai Quan

Karen Mok

Kong Yat Hung

Song Seung-heon

Yen

Yasuaki Kurata

Master

Deric Wan

Chow Nunn

Shek Sau

Chow Lui

Ben Lam Kwok-Bun

Ben

Henry Fong Ping

Lynn's Father

Nina Paw Hei-Ching

Lynn's Mother

Kam Hing-Yin

Captain

Josie Ho

Ching

Tats Lau Yee-Tat

Ghost King

May Kwong

May

Lam Sheung-Mo

Lai Kai-joe

Ricardo Mamood-Vega

Peter

Leo Ku

Man in Lift

Josephine Lam Kei-Yan

Alice

Jude Poyer

Killer of Lynn's Parent (flashback)

Leon Head

Benevolent Killer of Lynn's Parent (flashback)

Ben Yuen

Mr Yeung

Huang Kaisen

Wong Fat Chi/Armed Robber in Lift

Jiang Ke-Cheng

Lee Hong Fai/Elevator Killer

John Cheung Chan-Sang

Policeman

Kong Fu-Keung

Robber

Kenji Tanigaki

Hitman

Adam Chan Chung-Tai

Hitman

Kam Loi-Kwan