杜汶澤
— Spring
王祖藍
— Soya
薛凱琪
— Sky Love
Hui Siu-Hung
— Setting Sun
羅凱珊
— Maggie Chan
鄭詩君
— Supes
徐天佑
— Policeman/Soldier
吳嘉龍
— Police sergeant
Maggie Li
— Spirit
Lee Lik-chi
— Director Fung
羅永昌
— Assassin Win
Soi Cheang
— Assassin To
郭子健
— Weather Man
Chi-Keung Fung
— Roach
潘恆生
— Doctor
鄧志堅
— Danny Lau
黃又南
— Maggie's boyfriend
Sunny Chan Wing-Sun
— Scriptwriter
劉浩良
— Scriptwriter
陳靜
— Actress
遊國樑
— Sound Engineer
張嘉儀
— Space Museum Staff
黃柏濤
— Blind Reader
陳均鍵
— Blind Reader
沈震軒
— Beach Boy
James Gock
— Beach Boy
龔兆平
— Assistant Director
曾麗儀
— Nurse
吳麗珠
— Sky Love's Mother
鄭鈞名
— Policeman