Linda Cardellini

Linda Cardellini (born June 25, 1975) is an American television and film actress who is best known for her roles as Lindsay Weir on the NBC teen comedy-drama series Freaks and Geeks from 1999 to 2000, Samantha "Sam" Taggart on the NBC medical drama series ER and Velma Dinkley in the live-action Scooby-Doo films.

She currently voices Wendy Corduroy on the Disney Channel animated series Gravity Falls.