Voice The Last Sound You'll Ever Hear. While practicing after hours in her high school, an aspiring singer is mysteriously killed and her body vanishes. Her invisible ghost is trapped in the school, but her best friend is able to hear her voice. Details Casts Videos Galleries Posters Title Voice Release Date 2005-07-15 Runtime 01 Hours 44 Minutes Genres Horror Mystery Production Companies CJ Entertainment, Cinema Service, Cine2000 Production Countries South Korea Kim Ok-vin... Young-eon... Seo Ji-hye... Seon-min... Cha Ye-ryun... Cho-ah... Kim Seo-hyung... Hee-yeon... Lim Hyun-kyung... Hyo-jung... Jeon Yeo-jin... Hwa-jung... Eun-kyeong Na... Classmate... Whispering Corridors 4: Voice (2005) Trailer Remastered HD (Trailer) Original Size (3070x1727) Original Size (700x1050) Original Size (930x1395) Original Size (950x1425) Original Size (1000x1500) Original Size (800x1200) Original Size (900x1350) Original Size (1108x1572)