Zhou Yi (played by Gillian Chung) is a protagonist in Ex.
Ping (played by William Chan) appears in Ex.
Cee (played by Michelle Wai Si-Nga) appears in Ex.
Woddy (played by Lawrence Chou Chun-Wai) appears in Ex.
Doctor (played by Chapman To Man-Chat) appears in Ex.
Sol (played by Derek Tsang Kwok-Cheung) appears in Ex.
Sing (played by Jacky Heung) appears in Ex.
Zhou Yi's Mother (played by Tien Niu) appears in Ex.
