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.
2003Scooby-Doo's Spookiest TalesMovieas (voice)2000Scooby-Doo's Original MysteriesMovieas (voice) (archive footage)1988Scooby-Doo and the Ghoul SchoolMovieas Winnie Werewolf (voice)1987Yogi Bear and the Magical Flight of the Spruce GooseMovieas Bernice (voice)1987Fatal AttractionMovieas Party Guest1987Popeye and SonTV showas Olive Oyl / Lizzie / Puggy (voice) · 26 episodes1986The Golden ChildMovieas Kala (voice)1986The Real GhostbustersTV showas Spookums (voice) · 1 episodes1986The Flintstone KidsTV showas Rocky Ratrock / Flo Rubble · 76 episodes
1986Heathcliff: The MovieMovieas Mr. Woodley's Secretary
1985Rose Petal Place: Real FriendsMovieas (voice)1985Starchaser: The Legend of OrinMovieas (voice)1984Pole PositionTV showas Kuma (voice) · 13 episodes
1984Rose Petal PlaceMovieas Nastina1984AirwolfTV showas Angie · 1 episodes1983Alvin and the ChipmunksTV showas (voice) · 2 episodes1982NewhartTV showas Gloria Tate · 1 episodes1981Simon & SimonTV show1 episodes
1981The Pink Panther in 'Pink at First Sight'Movieas (voice)1980Yogi's First ChristmasMovieas Snively Throckmorton (voice)1980Captain Caveman and the Teen AngelsTV showas Brenda Chance (voice) · 16 episodes1979Scooby Goes HollywoodMovieas Cherie / Sis / Receptionist (voice)
1979Casper's Halloween SpecialMovieas Winifred the Witch (voice)1979Scooby-Doo and Scrappy-DooTV showas Lorraine · as Amelia Parmer · as Girlfriend / Young Girlfriend (voice) · 1 episodes
1979Fred and Barney Meet The ThingTV show26 episodes
1979The Popeye Valentine Special: Sweethearts at SeaMovieas Olive Oyl / The Sea Hag (voice)
1979Buford and the Galloping GhostTV show26 episodes1978The All-New Popeye HourTV showas Olive Oyl / Sea Hag / Swee'Pea · 140 episodes
1978Yogi's Space RaceTV show13 episodes1977Scooby's All-StarsTV showas Brenda Chance / Daisy Mayhem (voice) · 94 episodes