May is a prostitute with both a sick mother and son to look after. After being raped and accidentally killed by a group of construction workers, her ghostly self takes over the phone lines to execute revenge.
May Chan
Anita Lee Yuen-Wah
Officer Ma Fai
Sean Lau Ching-Wan
Linesman Chan Ping
William Ho
Leung
James Ha Chim-Si
Kwai
Onitsuka Ng Kin-Chung
Biu
Peter Chan Lung
Kitty
Gwennie Tam
May's mom
Helena Law Lan
Kwai's wife
Ivy Leung Si-Man
Kwai's mistress
Hui Pui
Woman in bed [cameo]
Ellen Chan Nga-Lun
Man in bed [cameo]
Jamie Luk Kim-Ming
Supt [cameo]
Derek Yee
Billy Ching Sau-Yat
Stephan Yip Tin-Hang
David Wu
Felton Law Gwan-Joh
Lee Wai-Si
Kingson Shek Siu-Lun
Chan Wai-Ling
Teddy Chan Tak-Sum
San Leung