天才與白痴

許冠文

Ah Tim

許冠傑

Lee

喬宏

Mr. Chiang Wo

Eileen Humphreys

Princess

Lau Yat-Fan

Police Chief

田俊

Bike Policeman

顧嘉煇

Weapon Expert Ah Hui

Hong Ga-Yan

Nurse

許冠英

Waiter on Skates

王琛

Dr. Wong

姜南

Antique Dealer

Fung Ngai

Mr. Chow

石天

Hotel Clerk

曾楚霖

Schizo, Chan Keung

Luk Chin

Catholic Priest at Hospital

林根

Mental Patient

郝履仁

Mental Patient

Gam Lau

Ah Tim's Mother

蕭錦

Arab bodyguard

程小東

Scuba Diving Student