| Ryoko Shimizu|
Ryoko Shimizu (清水 涼子, Shimizu Ryoko) is a seiyū affiliated with Media Force. She was the original voice for the child version of America in Hetalia Drama CD: Prologue, but did not reprise the role for the animated adaptation, in which Ai Iwamura replaced her.
- Cheburashka (Child parts)
- Kodomo no Jikan (Young girls)
- The Melancholy of Haruhi Suzumiya (Young girls)
- Ryoko Shimizu at Media Force