Cai Zhi Yun is the portrayer of Cai Yun Han in KO One and Han Ke La Ma Han in The X-Family. In mid-2009, she takes the role of Da Qiao in the threequel: K.O.3an Guo. Her little sister, Cai Yi Zhen is also the portrayer of Cai Wu Xiong in KO One and Xiao Qiao in K.O.3an Guo.