港囧

徐峥

Xu Lai

Zhao Wei

Cai Bo

包贝尔

Cai Lala

杜鹃

Yang Yi

葛民輝

Policeman

Sam Lee

Policeman

Pan Hong

Cai Bo's Mother

Zhao Youliang

Cai Bo's Father

朱媛媛

Cai Bo's Sister

王迅

Cai Bo's Brother-in-Law

馮勉恆

Waiter at Cafeteria

Yuen Ngai-Hung

Taxi Driver

吳耀漢

Elevator Patron

陶虹

Hong Kong Film Award Presenter

林曉峰

Assistant Director

Suet Lam

Triad Boss

江約誠

Taxi Driver

田啟文

Geek

Wong Jing

Self

八兩金

Kam

車保羅

Locksmith Expert

苑瓊丹

Momoko

鄭丹瑞

Host of Art Exhibition

莊鍶敏

Yang Yi's Assistant