Vivian Sung as Young Truly Lin

Darren Wang as Young Taiyu

Dino Lee as Ouyang Fei-fan

Dewi Chien as Tao Minmin

Andy Lau Tak-Wah as Self

Joe Chen as Adult Truly Lin

Jerry Yan as Adult Taiyu

Berry Wen-i Kuo as Chao Hsiao-Chih

Yi-Chen Tsai as Mei-mei

Alina Cheng as Shen Chia-Yi

Ian Chen as Ying Mu

Li-Tung Chang as Chang Chang-Tao

Kristy Cha Ray Chu as Teacher Chen

Chung Hsin-ling as Lin's Mother

Chieh-Hui Hsu as Lin Bei-yi

Wei-hsun Na as Wang Bai-Dan

Chu Chung-heng as Chuan Chih-Hsien

Lee Shao Xiang as Truly's Boyfriend

Lin He-Hsuan as Da He

Shih Chih Tian as Ma Su Yuan

Zhang Hang as Sansan