[3] In early 2008, Ahn made her big screen debut alongside Lee Mi-sook and Kim Min-hee in the romantic comedy Hellcats, directed by Kwon Chil-in of Singles.

[5][6] Ahn's career with JYPE and Wonder Girls came to an end in December 2013, when her contract with the company expired and she decided not to renew.

[11] In 2016, she starred in South Korea's first zombie movie, Train to Busan, playing a high school student and a loyal supporter of the baseball team.

[14] Later that year, she featured in tvN's Korean remake of the American series Entourage, playing the love interest of Seo Kang-joon's character.

[15] In 2017, Ahn starred in the thriller A Single Rider alongside Lee Byung-hun and Gong Hyo-jin, where she received praise for her portrayal of a solitary teenager.