Donnie Yen

Carl Tam

古天樂

Holland

吳君如

Chelsia

陈慧琳

Julie Sun

黃百鳴

Richard

杨幂

Cecilia

杜汶澤

Hugo

Lynn Hung

Charmaine

Ronald Cheng

Shalala

吳千語

Richard's daughter

田蕊妮

Daphne

Suet Lam

Construction Worker

鄭詩君

Jim

谷德昭

Fattie

應采兒

Carl's Girlfriend

李香琴

Orphanage Director

鄒凱光

Lawyer Yi

陳曼娜

Sofia

葉山豪

Spungehuff

Singh Hartihan Bitto

Curry

盧覓雪

Chief Editor

麥玲玲

Katie Kwok

Schoolgirl

瑪利亞

Mentor

Lee Sheung-Ching

Billy, Daphne's manager

林司敏

New Music Star

Jeremiah Zhang

Justin Nam

陸永

Rich Junior

Elva Ni Chen-Xi

鄭世豪

Clayhead

Wen Chao

Dubya Dung

徐天佑

Eye Doctor

Ha Chun-Chau

Wedding Registrar

杜麗莎

Self

黎彼得

Self

張繼聰

Self

劉浩龍

Self

黃玉郎

Boss Wong

馮勉恆

Snake

Ho Ming Luk

Unlucky Driver

Jessica Jann

Boss' Daughter

Josephine Chi Yan Chai

Mentor's Assistant

邓梓峰

林澤群

Doctor