Particularly, it was in the field of cinema that Atthaphan started to stand out in the drama genre, where he was noticed in alternative productions such as Kongkiat Khomsiri's Slice (2009), a Thai thriller where a teenage Gun surprised audiences by portraying an abused child, subsequently being nominated for the Suphannahong National Film Awards and to win Best Supporting Actor at the 7th Chalerm Thai Awards (2010).