Cha Jung-hyun (; born January 4, 2002), known professionally as Song Si-an (), is a South Korean actress. She made her acting debut in the 2021 television series Melancholia.
Career In 2020, Song was selected through KakaoM Actors 1st Class and subsequently signed an exclusive contract with . In 2023, she signed an exclusive contract with Echo Global Group.
Filmography Television series
Year Title Role Notes 2021 Melancholia young Ji Yoon-soo Acting debut KBS Drama Special - Oddinary teen Kim Jae-hwa 2023 Revenant young Yeo Soo-ryeon High Cookie Seo Yoo-jung 2024 Pyramid Game Oh Seong-ah 2025 My Troublesome Star young Sa Seon-yeong 2026 Teach You a Lesson Choi Ji-seon
Music video appearances Year Title Artist 2021 Poem for You Kassy
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