Mädchen Amick

Actor (Anya as a girl) — The Next Generation

American actress, later famous as Shelly Johnson in Twin Peaks, who played the teenage-girl form of the shapeshifter Anya in the Next Generation episode The Dauphin.

Mädchen Amick is an American actress and director. She became widely known as the waitress Shelly Johnson in Twin Peaks and later played Alice Cooper in Riverdale.
One of her earliest screen roles was in the second-season Next Generation episode The Dauphin. Anya, guardian of the young ruler Salia, is an allasomorph who can change shape, and Amick plays the form of a girl of Salia's own age that Anya adopts as a companion.
The older, sterner Anya is played by Paddi Edwards, and the character also turns into a large furred creature when she judges her charge to be in danger.