Marilyn Schreffler
Marilyn Sue Schreffler (June 14, 1945 – January 7, 1988) was an American voice actress who provided voice-overs for several animated television series, mostly for Hanna-Barbera Productions. Description above from the Wikipedia article Marilyn Schreffler, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Scooby-Doo's Original Mysteries
((voice) (archive footage))
Yogi Bear and the Magical Flight of the Spruce Goose
(Bernice (voice))
Starchaser: The Legend of Orin
((voice))
Scooby-Doo and the Ghoul School
(Winnie Werewolf (voice))
Scooby-Doo's Spookiest Tales
((voice))
Heathcliff: The Movie
(Mr. Woodley's Secretary)
Fatal Attraction
(Party Guest)
Casper's Halloween Special
(Winifred the Witch (voice))
Scooby Goes Hollywood
(Cherie / Sis / Receptionist (voice))
Yogi's First Christmas
(Snively Throckmorton (voice))
The Popeye Valentine Special: Sweethearts at Sea
(Olive Oyl / The Sea Hag (voice))
The Pink Panther in 'Pink at First Sight'
((voice))
Rose Petal Place
(Nastina)
Rose Petal Place: Real Friends
((voice))
Scooby's Laff-A Lympics
(Brenda Chance / Daisy Mayhem (voice))
Fred and Barney Meet The Thing
Simon & Simon
Airwolf
(Angie)
Newhart
The Flintstone Kids
(Rocky Ratrock / Flo Rubble)
Pole Position
(Kuma (voice))
Captain Caveman and the Teen Angels
(Brenda Chance (voice))
Yogi's Space Race
Buford and the Galloping Ghost
Popeye and Son
(Olive Oyl / Lizzie / Puggy (voice))
The All-New Popeye Hour
(Olive Oyl / Sea Hag / Swee'Pea)
Scooby-Doo and Scrappy-Doo
(Amelia Parmer)
Scooby-Doo and Scrappy-Doo
(Lorraine)
Scooby-Doo and Scrappy-Doo
(Girlfriend / Young Girlfriend (voice))