On the Edge

Nick Cheung Ka-Fai

Harry Sin

Francis Ng

Don Dark

Anthony Wong Chau-Sang

Lung

Rain Lee Choi-Wah

Cat

Derek Tsang Kwok-Cheung

Mini B

Calvin Poon Yuen-Leung

Jimmy

Lester Chit-Man Chan

Mr. Cheung (as Lester Chan)

Chik King-Man

Amy

Pauline Yam Bo-Lam

Madam Ho

Raymond Tsang Chau-Ming

Sam

Eddie Pang

Buddy

Ming-Sing Wong

Dave

Y.Y. Lam

Kitty, Dave's Girlfriend

Wong Ting Pong

Internal Investigations Office Constable

Sze-Ming Lu

Tsu