Linda Edna Cardellini (born June 25, 1975) is an American actress. She is known for playing Lindsay Weir on Freaks and Geeks (1999–2000), Samantha Taggart on ER (2003–09), and Meg Rayburn on Bloodline (2015–17).
Cardellini is also known for her role as Velma Dinkley in the Scooby-Doo live-action movie series (2002–04).
Cardellini's voice work includes the animated television series' Regular Show (2012–15), Gravity Falls (2012–16), and Sanjay and Craig (2013–16).