1. Holt was born Sandrine Ho in London, England to a Chinese father and a French mother.
2. At age five, she and her family moved to Toronto, Ontario, Canada, her hometown.
3. She worked as a runway model in Paris before she became an actress.
4. In 2006, she appeared in a recurring role on the television series 24 as Evelyn Martin, the aide to First Lady Martha Logan.
5. In 2016, she appeared in MacGyver as Patricia Thornton, an ex-field agent turned director of operations for DXS.
6. Holt was married to rock producer/engineer Travis Huff but later divorced.
7. She currently lives in Silver Lake, Los Angeles with her daughter and is learning Mandarin Chinese.