Heather May North (December 13, 1945 – November 29, 2017) was an American actress, best known for voicing Daphne Blake in the Scooby-Doo franchise.
Description above from the Wikipedia article Heather North, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Scooby-Doo's Creepiest Capers
Daphne Blake (voice)
Scooby-Doo's Greatest Mysteries
Daphne Blake (voice)
Scooby-Doo: Mystery in Motion
Daphne Blake (voice) (archive footage)
The Barefoot Executive
Jennifer Scott
Scooby-Doo! and the Legend of the Vampire
Daphne (voice)
Scooby-Doo! and the Monster of Mexico
Daphne Blake (voice)
Scooby Goes Hollywood
Daphne Blake (voice)
Scooby-Doo's A Nutcracker Scoob
Daphne Blake (voice)
Scooby-Doo Meets Batman
Daphne Blake (voice) (archive footage)
Scooby-Doo! Winter WonderDog
Daphne (voice) (archive footage)
I Love My Wife
Betty
Scooby-Doo's Spookiest Tales
(voice)
Scooby-Doo! Meets the Harlem Globetrotters
Daphne Blake (voice)
Scooby-Doo! and the Werewolves
Daphne Blake (voice) (archive footage)
Scooby-Doo! and the Pirates
Daphne Blake (voice) (archive footage)
Git!
Elaine
Hanna-Barbera Presents: A Treasury Of Cartoon Classics
Daphne Blake