SDU: Sex Duties Unit

Chapman To Man-chat

Keung

Yue Man-lok

Josh

Matt Chow Hoi-Kwong

Ka Ho

Derek Tsang Kwok-Cheung

Dried Shrimp

Liu Ling'er

Lily

Jim Chim Sui-man

Mamasan

Ken Lo Wai-kwong

Wang Tao

Nan Yik-Pong

Mamasan's assistant

Susan Shaw Yam-Yam

Thai restaurant owner

June Lam Siu-Ha

Tomboy girl

Dada Chan Ching

Chan Siu Ching

Michael Wong

Stone, SDU officer

Roy Szeto Wai-cheuk

Travel agent

Lau Kong

Ka Ho's father

Simon Lui Yu-Yeung

Dragon