Samuel "Sam" Brent Oscar Riegel is an American voice actor and voice director, born on October 9, 1976 in Washington, D.C. He is known for providing the voice of Donatello on the 2003 version of Teenage Mutant Ninja Turtles.
Sofia the First
- Main article: Sofia the First (TV series)
- Squirrel ("The Buttercups")
- Doctor ("The Buttercups")
- Royal builder ("Sofia the Second")
- Smokelee (2 appearances)