新難兄難弟

Tony Leung Chiu-wai

Chor Yuen

梁家輝

Tommy Chor Feng

劉嘉玲

Laura Watts

Anita Yuen Wing-Yee

Yee / Lynn

鄭丹瑞

Chuen / Adult Lone

翁杏蘭

Yin

Anita Lee Yuen-Wah

Sister Kan

楚原

Lord Watsons

彭美嫦

Laura's Mother

周嘉玲

Dr. Jenny Chung

周文健

Mr. Cheung

李子雄

Lee Kar Shing