| 角色 | 饰演者 | 角色介绍 |
| 桃姐（钟春桃） Ah Tao | 叶德娴 | |
| 梁少 Roger | 刘德华 | |
| 蔡姑娘 Ms Choi | 秦海璐 | |
| 敬老院老人 | 秦沛 | |
| 梁母 | 王馥荔 | |
| 梁少好友/敬老院投资人 | 黄秋生 | |
| 牙医 | 杜汶泽 | |
| 梁少秘书 | 林二汶 | |
| 洪导演 | 洪金宝 | |
| 徐导演 | 徐克 | |
| 制作人 | 于冬 | |
宁浩 | 宁浩 | |
| Air-conditioning Fixer | Tyson Chak | |
| Jason (as Jason Chan) | Chi-san Chan | |
| Vincent | 陈国新 | |
| Guest at Premiere | Wing-Chiu Chan | |
| Receptionist at Investment Bank | Queenie Chu | |
| Aunt Kam | Pik Kee Hui | |
| Guest at Premiere | 关锦鹏 | |
| Elderly home visitor (as Eva Lai) | 黎燕珊 | |
| Clergyman | Enoch Lam | |
| Guest at Premiere | 林家栋 | |
| Hengzi | Yun-sau Mak | |
| Guest at Premiere | 岑建勋 |
