Pat Ha Man-Jik

as 6262

Alex Fong Chung-Sun

as Fong

Mary Cheung

as Julia

Roy Chiao

as Astrologer

Andy Tai Chi-Wai

as 6262's Husband

Carrie Ng Ka-Lai

as Fong's former girlfriend

Pak Yan

as 6262's mother in 2037

Teresa Ha Ping

as Fong's maid

Tin Ching

as Mr Ng [cameo]

Jamie Luk Kim-Ming

as Man with headset [cameo]

Fung Sau-Wai

Amy Wu Mei-Yee

as Fong's sister

Mak Shu-San

as Doctor

Victor Hon Kwan

as Security Guard

Wong Wan-Choi

as Professor