新難兄難弟

Tony Leung Chiu-wai

Chor Yuen

Tony Leung Ka-fai

Tommy Chor Feng

Carina Lau

Laura Watts

Anita Yuen Wing-Yee

Yee / Lynn

Lawrence Cheng Tan-Shui

Chuen / Adult Lone

Helen Young

Yin

Anita Lee Yuen-Wah

Sister Kan

Chor Yuen

Lord Watsons

Pang Mei-Seung

Laura's Mother

Valerie Chow

Dr. Jenny Chung

Michael Chow Man-Kin

Mr. Cheung

Waise Lee Chi-Hung

Lee Kar Shing