| Full Name | Sammy Sum |
| Pinyin | Shěn Zhèn Xuān |
| Date of Birth | 4 May, 1983 |
| Place of Birth | Hong Kong |
| Origin | Hong Kong |
| Ethnicity | Han Chinese |
| Occupation | Actor, Singer |
| Other Names | Sum Chun-Hin, Shen Zhenxuan, Shen Zhen-Xuan |
| Alma Mater | Dawson College, Montreal, Quebec, Canada |
| Company | TVB |
| Debut Date | 2005 |