Amanda Leighton

Amanda Leighton voices Polly Plantar, an unpredictable pollywog (aka tadpole) and youngest member of the Plantar family, in Disney Channel's animated comedy series "Amphibia." Leighton is best known for her role as teenage Sophie in "This Is Us" and Emma in the Freeform series "The Fosters." Her additional television credits include "Grey's Anatomy," "Pretty Little Liars, "House" and "90210." Leighton also lent her voice to "The Powerpuff Girls," "Trolls: The Beat Goes On!" and "Teen Titans Go!," among others. Born and raised in Fresno, California, Leighton grew up participating in dance competitions. She also enjoys working out, running and dancing.