In 2007, Hahm was in a few music videos. One was SG Wannabe's music video "Gasiri" ("가시리") from their 2007 album "Story In New York". Others were FT Island's music videos "Thunder" ("천둥"), "Only One Person" ("한사람만"), and "A Man's First Love Follow Him To The Grave" ("남자의 첫사랑은 무덤까지 간다").