Angelica Lee

Cheng Chi Yee

Huo Siyan

Sgt. Au Bik Yee

Charlie Yeung Choi-nei

Au Bik Kee

Li Zonghan

Eric

Kent Cheng Jak-si

Eric's brother

Nina Paw Hei-ching

Auntie

Marc Ma

Prof. Yip

Elva Ni Chen-Xi

Prof. Yip's wife

Kenny Wong Tak-ban

Ming

William Duen Wai-lun

Supt

Au Hin-Wai

Psychiatrist

Raymond Chow

Father of little girl in the park