[6] In 2020 he venture into big screen through supporting role Kim Eui-song, in indie movie Value Capsida [ko] by Director Cho Seung-won.

In 2022, Kang appeared as main lead with Singapore actress Hong Huifang in the Korean-Singapore joint film Ajoomma.

Invited to the 'New Currents' section of 27th BIFF competition, this film tells the story of a Singaporean housewife who is obsessed with Korean dramas and travels to Korea alone.

[10] Kang took on the role of Kwon-woo, a travel guide who fluent in Chinese and works hard for a living.

Kwon-woo is a person who lives a difficult life due to the pressure of debt and is separated from his family.