Mary Kay Bergman (June 5, 1961 – November 11, 1999), also credited as Shannen Cassidy, was an American voice actress and voice-over teacher. Bergman was the lead female voice actress on South Park from the show's 1997 debut until her death. Throughout her career, Bergman performed voice work for over 400 television commercials and voiced over 100 cartoon, film, and video game characters.
Born in Los Angeles, Bergman had an interest in fantasy an...
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Scooby-Doo's Greatest Mysteries
As Daphne (voice)
Beauty and the Beast
As Bimbette (voice)
The Hunchback of Notre Dame
As Quasimodo's Mother (voice)
Alvin and the Chipmunks Meet Frankenstein
As Mother (voice)
Hercules
As Earthquake Lady (voice)
The Iron Giant
As Additional Voices (voice)
Scooby-Doo and the Alien Invaders
As Daphne Blake (voice)
South Park: Bigger, Longer & Uncut
As Liane Cartman / Sheila Broflovski / Sharon Marsh / Carol McCormick / Wendy Testaburger / Clitoris / Additional Voices (voice)
Return Engagement
As Mary
The Kitchen Casanova
As Doris (voice)
Batman & Mr. Freeze: SubZero
As Barbara Gordon / Batgirl (voice)
Scooby-Doo! and the Witch's Ghost
As Daphne (voice)
Balto II: Wolf Quest
As Fox / Wolverine 3
Scooby-Doo/Courage the Cowardly Dog Scare-A-Thon
As Daphne Blake (voice)
The Secrets of the 'Back to the Future' Trilogy
As Young Girl Voice
The Life & Adventures of Santa Claus
As Martha / Nymph (voice)
Scooby-Doo on Zombie Island
As Daphne Blake (voice)
Annabelle's Wish
As Hens (voice)
Bob's Video
As Lady in Red / Telephone Voice / Radio Dispatcher (voice)
Lady and the Tramp II: Scamp's Adventure
As Si (voice)
Snowden's Christmas
As (voice)
Maxine's Christmas Carol
Goin' Down to South Park
As Self
The Bears Who Saved Christmas: Christopher & Holly
As Holly (voice)
The Scooby-Doo Project
As Daphne Blake (voice)
Christmas Time in South Park
As Sheila Broflovski / Shelley Marsh (voice)
Toy Story 2
As Jessie - yodeling / additional voices (voice)
Mulan
As Additional Voices (voice)
Family Guy
As Sherry (voice)
South Park
As Ms. Cartman (voice)
Johnny Bravo
Fantastic Four
The Little Mermaid
As Arista (voice)
Cow and Chicken
The Secret Files of the Spy Dogs
Scooby-Doo!: Behind the Scenes
As Daphne Blake (voice)
Jay Jay the Jet Plane
Extreme Ghostbusters
Captain Planet and the Planeteers
As Dr. Blight (voice)
What a Cartoon!
As Doris (voice)
Buzz Lightyear of Star Command
As Alien Mom / Alien Kid (voice)
The Fantastic Voyages of Sinbad the Sailor
Spider-Man
As Gwen Stacy (voice)
The Early Show
Oh Yeah! Cartoons
As Timmy Turner (voice)