Mary Elizabeth McGlynn (also credited as Melissa Williamson) is a voice actress and singer from California, United States. Appearing as several roles in anime voice acting, she is also known for doing vocal collaboration with Akira Yamaoka on the Silent Hill 3, Silent Hill 4: The Room, Silent Hill: Origins, Silent Hill: Homecoming, Silent Hill: Shattered Memories, Silent Hill: Revelation 3D and Shadows of the Damned soundtracks, and as well on his 2012 single "Revolución".