Sheng Enterprise has originated from a famous Mahjong family, and the story of Big Three Dragons begins with the game of Mahjong.
| Actor | Role |
|---|---|
 Derek ChangSheng Xiao-Bai | Sheng Xiao-Bai |
 Ella ChenShen Wu-Chueh | Shen Wu-Chueh |
 Michael HuangSheng South Wind | Sheng South Wind |
 Lotus WangMahjong aunt | Mahjong aunt |
 Vera YenJo-Fei | Jo-Fei |
 Wang Ko-yuanPreservation Director | Preservation Director |
 Peng Chia-chiaBamboo Shoots Teacher | Bamboo Shoots Teacher |
 Daniel LoMahjong uncle | Mahjong uncle |
 Soda VoyuLawyer | Lawyer |
 Lin He-hsuanSheng Yi-Chang | Sheng Yi-Chang |
 Michael TaoSheng Dong-Feng | Sheng Dong-Feng |
 Wang ChuanSheng East Wind's wife Mei-Ling | Sheng East Wind's wife Mei-Ling |
 Sophia Chi-Wei FangSheng Plum Blossom | Sheng Plum Blossom |
 Carol Wan Chui-PanSheng Orchid | Sheng Orchid |
 Heaven HaiSheng Bamboo | Sheng Bamboo |
| PPa YuSheng Chrysanthemum | Sheng Chrysanthemum |
 Patrick LeeSky bird brother | Sky bird brother |