Hello! Who Is It?

Anita Lee Yuen...

as

May Chan

Sean Lau

as

Officer Ma Fai

William Ho

as

Linesman Chan ...

James Ha Chim-...

as

Leung

Kwai Chung

as

Kwai

Peter Chan Lung

as

Biu

Gwennie Tam

as

Kitty

Helena Law Lan

as

May's mom

Ivy Leung Si-M...

as

Kwai's wife

Hui Pui

as

Kwai's mistress

Ellen Chan Nga...

as

Woman in bed [...

Jamie Luk Kim-...

as

Man in bed [ca...

Derek Yee Tung...

as

Supt [cameo]

Billy Ching Sa...

Stephan Yip Ti...

David Wu

Felton Law Gwa...

Lee Wai-Si

Kingson Shek S...

Chan Wai-Ling

Teddy Chan Tak...

San Leung