滚蛋吧！肿瘤君

白百何

— Xiong Dun

吳彥祖

— Doctor Liang

Zhang Zixuan

— Amy

李媛

— Xia Meng

Teng Shen

— Ex-boyfriend

Lui Ruilin

— Xiao Xia

李建义

— Xiong Dun's father

Liu Li-li

— Xiong Dun's mother

李晓川

— Lao Cui

Qin Li

Xinyu Li

— Miss Boss

Keiichi Yamazaki

— Japanese Boss

Zhang Bohan

— Stunt Double

程伊

— Lao Zheng