Crystal Kay Filmography
| 2023 | Between the White Key and the Black Key · as Risa |
| 2019 | Earthquake Bird · as Singer |
| 2015 | Seoul Searching · as Jamie |
| 2013 | |
| 2010 | Left-Eye Detective (TV Series) · as Akira Kokusho |
| 2009 | Yamagata Scream · as Casey |
| 2008 | Pokémon: Giratina and the Sky Warrior · as Lucky (voice) |
| 2013 | |
| 2007 | Bokura no jidai (TV Series) · as Self |
| 1996 | SMAP×SMAP (TV Series) · as Self |
| 2018 | Daisy Luck (TV Series) · as Theme Song Performance |
| 2011 | 99 Days with the Superstar (TV Series) · as Theme Song Performance |
| 2010 | I'll Still Love You in 10 Years (TV Series) · as Theme Song Performance |