天才與白痴

許冠文

Ah Tim

Sam Hui

Lee

Roy Chiao

Mr. Chiang Wo

Eileen Humphreys

Princess

Lau Yat-Fan

Police Chief

James Tien

Bike Policeman

顧嘉煇

Weapon Expert Ah Hui

Hong Ga-Yan

Nurse

許冠英

Waiter on Skates

王琛

Dr. Wong

Chiang Nan

Antique Dealer

Feng Yi

Mr. Chow

石天

Hotel Clerk

曾楚霖

Schizo, Chan Keung

Luk Chin

Catholic Priest at Hospital

林根

Mental Patient

Ho Li Jen

Mental Patient

Gam Lau

Ah Tim's Mother

蕭錦

Arab bodyguard

Tony Ching Siu-Tung

Scuba Diving Student

To Sam-Ku

Ms. Chow

Pak-Kwong Ho

Hospital Attendant

Fung Ging-Man

Mental Patient

Chu Yau-Ko

Mental Patient