Ai Online

Qi Shu - Zoe Fang, Mark Chao - Mark Na (as Mark Jau) , Wei Zhao - Xiao-Ye Jin, Amber Kuo - Lu Hsiao-ni, Ivy Yi-Han Chen - Li Yi-chia (as Yi Han Chen) , Ethan Juan - Li Hsiao-kuan (as Ching-Tien Juan) , Eddie Peng - Kai, Doze Niu - Lu Ping (as Doze Niu Chen-Zer) , Han Dian Chen - Jitui Ge, David Te-Yang Chiu - , Ralf Chiu - Mark's assistant (as Ralf Ciou) , Hsiao-Yeh - College lecturer, Chin-Jung Kang - Cycling coach, Stephanie Shu-Yan Lee - Hsiao-kuan's colleague, Hsuan Li - Chiang Huan-Chen (Bride)