| Nicholas was shy during his childhood. |
| His ancestors moved to England after the October Revolution, changing their family name to Tier. |
| His grandfather's original name was Edward Ralph Alexander Tier before changing it to Galitzine in 1956. |
| At the age of 10, he sang in his school's theatre group choir. |
| He participated in sports such as rugby, football, and javelin throw during school, even playing football at the county level. |
| Nicholas was part of the Harlequins Academy football team but quit due to a rotator cuff injury. |
| He performed with the Pleasance Islington theatre group during school. |
| He worked as a sales manager at Fromagerie Belle Chevre Inc. in 2012. |
| In 2017, he featured in the English TV film 'The Watcher in the Woods'. |
| His promotional singles include 'Honey' (2017), 'Somebody to Love' (2021), and 'The Idea of You' (2024). |
| He acted in films such as 'Cinderella' (2021), 'Purple Hearts' (2022), 'Red, White & Royal Blue' (2023), and 'The Idea of You' (2024). |
| Nicholas decorated his skin with temporary tattoos for his role in 'The Idea of You'. |
| He lent his voice to several English singles including 'Comfort' (2022) and 'So Cold' (2024). |
| He is skilled at playing musical instruments like the guitar. |
| In 2023, he became the first global menswear ambassador for Fendi. |
| In 2025, he will be a global fragrance ambassador for Emporio Armani. |
| Nicholas has appeared in multiple print advertisements and photoshoots. |
| In his free time, he enjoys activities like horse riding and traveling. |
| Numerous magazines have featured him on their covers. |
