新難兄難弟

Tony Leung Chiu-wai

Chor Yuen

Tony Leung Ka-Fai

Tommy Chor Feng

劉嘉玲

Laura Watts

袁詠儀

Yee / Lynn

鄭丹瑞

Chuen / Adult Lone

翁杏蘭

Yin

Anita Lee Yuen-Wah

Sister Kan

Chor Yuen

Lord Watsons

彭美嫦

Laura's Mother

Valerie Chow

Dr. Jenny Chung

周文健

Mr. Cheung

Waise Lee

Lee Kar Shing