| 1. Ha Yeon-soo hails from Busan, South Korea, with a father from Busan and a mother from Gyeongju City. |
| 2. She has nurtured a passion for painting since childhood and continues to create and sell her artwork alongside her acting career. |
| 3. Prior to her acting debut, she appeared in the music video for 'Love is Falling in Drops' by 10cm. |
| 4. She has made cameo appearances in music videos such as 'Let's Not Fall In Love' by Big Bang and 'Heart' by Punch. |
| 5. Ha Yeon-soo has showcased her acting talent in various films and K-dramas, including 'Sunshower' (2014) and 'Rich Man Poor Woman' (2018). |
| 6. Debuting as a singer in the K-drama 'Monstar,' she has sung OSTs like 'Past Days' and 'Atlantis Princess.' |
| 7. In 2013, she received the Mnet 20's Choice Award for 20's Booming Star β Female for her role in 'Monstar.' |
| 8. An animal enthusiast, Ha Yeon-soo owns a cat named Jackie and a dog named Comoski. |
| 9. To align with the industry superstition favoring 'Ha' surname actresses, she changed her surname to 'Ha' and embraced it lovingly. |
| 10. In 2021, she held her first individual painting exhibition titled 'Ha Yeon Soo: The Form of Memory.' |
| 11. Her contract with ANDMARQ ended in 2022, after which she began studying art abroad in Japan. |
| 12. She starred in the Japanese NHK drama 'Tora ni Tsubasa' in 2024. |