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
As Daphne Blake (voice)
Scooby-Doo's Greatest Mysteries
As Daphne Blake (voice)
Scooby-Doo: Mystery in Motion
As Daphne Blake (voice) (archive footage)
The Barefoot Executive
As Jennifer Scott
Scooby-Doo! and the Legend of the Vampire
As Daphne (voice)
Scooby-Doo! and the Monster of Mexico
As Daphne Blake (voice)
Scooby Goes Hollywood
As Daphne Blake (voice)
Scooby-Doo's A Nutcracker Scoob
As Daphne Blake (voice)
Scooby-Doo Meets Batman
As Daphne Blake (voice) (archive footage)
Scooby-Doo! Winter WonderDog
As Daphne (voice) (archive footage)
I Love My Wife
As Betty
Scooby-Doo's Spookiest Tales
As (voice)
Scooby-Doo! Meets the Harlem Globetrotters
As Daphne Blake (voice)
Scooby-Doo! and the Werewolves
As Daphne Blake (voice) (archive footage)
Scooby-Doo! and the Pirates
As Daphne Blake (voice) (archive footage)
Git!
As Elaine
The New Scooby and Scrappy-Doo Show
As Daphne Blake (voice)
Scooby-Doo, Where Are You!
As Daphne Blake (voice)
Green Acres
The 13 Ghosts of Scooby-Doo
As Daphne Blake (voice)
My Three Sons
As Gretchen
Gidget
The Scooby-Doo/Dynomutt Hour
As Daphne Blake (voice)
Scooby-Doo and Scrappy-Doo
As Daphne Blake (voice)
Ironside
The Monkees
The Fugitive
As Marie Dormond
Mr. Novak
As Felicia
Paradise Bay
Scooby-Doo! Mystery Incorporated
Doc Elliot
Ghost Story
As Dana Evans
Adam-12
As Shirley Young
The New Scooby-Doo Movies
As Daphne (voice)
The New Scooby-Doo Mysteries
As Daphne Blake (voice)
Johnny Bravo
As Daphne Blake (voice)
Scooby's All-Stars
As (voices)
Captain Caveman and the Teen Angels
As (voices)
The Scooby-Doo Show
As Daphne Blake
Love, American Style
As Ellen