張孝全

Liam

桂綸鎂

Mabel

鳳小岳

Aaron

張書豪

Ron

Serena Fang

Hsiao-bao

丁寧

Hanako

Hung-Ying Shang-Kuan

Liam's Father

Lin Nai-Hua

Liam's Mother

Cheng-Chien Chang

Aaron's Father-in-Law

Alan Chen

Plainclothes Man

Etsen Chen

Best Man

Shirley Chien

President of the Gym

Ling Chou

Oppressor Yin

Sam Ho

Ron's Husband

Jill Hu

Swim Team

郭耀仁

Military Instructor

Chia-yen Lee

Swim Team

J.C Lei

Younger Twin Sister

夏若妍

Older Twin Sister

Tang Guo-Zhong

John

I.-Fan Tu

Military Instructor

Wen-Wen Yang

John's Wife

葉蕙芝

Obstetrician