Sara Arjun is an Indian child actress who has appeared in Tamil films and TV commercials. In 2010, she was signed on to portray a lead role in A. L. Vijay`s Tamil drama film Deiva Thirumagal, portraying the role of a six-year-old daughter whose father was a mentally challenged adult with the maturity of a six-year-old boy. The film opened to critical and commercial acclaim, with Sara`s performance receiving unanimous praise from film critics. She has since worked on Tamil and Hindi films, winning positive reviews for her portrayals, particularly for her role in Vijay`s Saivam (2014). Her 2019 release includes Sillu Karuppatti, directed by Halitha Shameem.

Starting from 2022, she appeared as an Actor in the sports drama Toolsidas Junior (2022) and portrayed the younger version of Nandini in the epic historical drama Ponniyin Selvan: I (2022), a role she reprised in Ponniyin Selvan: II (2023).

In 2025, she featured as an Actor in the action crime thriller Quotation Gang Part 1 (2025) and the action thriller Dhurandhar (2025). Her work in 2026 includes roles as an Actor in the social thriller Euphoria (2026) and the action thriller Dhurandhar: The Revenge (2026).