Joseph Chang as Liam

Gwei Lun-Mei as Mabel

Rhydian Vaughan as Aaron

Bryan Shu-Hao Chang as Ron

Serena Fang as Hsiao-bao

Ding Ning as Hanako

Hung-Ying Shang-Kuan as Liam's Father

Lin Nai-Hua as Liam's Mother

Cheng-Chien Chang as Aaron's Father-in-Law

Etsen Chen as Best Man

Shirley Chien as President of the Gym

Ling Chou as Oppressor Yin

Sam Ho as Ron's Husband

Jill Hu as Swim Team

Yao-Ren Kuo as Military Instructor

Chia-yen Lee as Swim Team

J.C Lei as Younger Twin Sister

Nita Xia as Older Twin Sister

Russel Tang as John

I.-Fan Tu as Military Instructor

Wen-Wen Yang as John's Wife

Hui-Chih Yeh as Obstetrician