任達華

Tsim Kin-Yip

劉心悠

Ann

張家輝

Kwan Ping-Man

溫碧霞

Pun Siu-Yuen

邵美琪

Fong

余安安

Ann's mother

單立文

Ann's father

卓韻芝

Professor Teaching Electronics

Hiroshi Fukazawa

Toy Store Boss

林家棟

Fai