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… Read more
Known for Toy Story 2 1999 Beauty and the Beast 1991 Mulan 1998 Hercules 1997 ★ 8 Christmas Time in South Park 2007
Sheila Broflovski / Shelley Marsh (voice) ★ 6.4 Balto: Wolf Quest 2002
Fox / Wolverine 3 ★ 6.3 Lady and the Tramp II: Scamp's Adventure 2001
Si (voice) ★ 7.1 Scooby-Doo and the Alien Invaders 2000
Daphne Blake (voice) ★ 7.1 The Life & Adventures of Santa Claus 2000
Martha / Nymph (voice) Series ★ 6.6 Buzz Lightyear of Star Command 2000
Alien Mom / Alien Kid (voice) ★ 8.9 Scooby-Doo's Greatest Mysteries 1999
Daphne (voice) ★ 6.8 Alvin and the Chipmunks Meet Frankenstein 1999
Mother (voice) ★ 8 The Iron Giant 1999
Additional Voices (voice) ★ 7.3 South Park: Bigger, Longer & Uncut 1999
Liane Cartman / Sheila Broflovski / Sharon Marsh / Carol McCormick / Wendy Testaburger / Clitoris / Additional Voices (voice) ★ 7.4 Scooby-Doo! and the Witch's Ghost 1999
Daphne (voice) ★ 8.1 The Scooby-Doo Project 1999
Daphne Blake (voice) ★ 7.6 Toy Story 2 1999
Additional Voices (voice) ★ 6 Deep Blue Sea 1999
Parrot (voice) (uncredited) Series ★ 7.4 Family Guy 1999
Sherry (voice) ★ 6.9 Batman & Mr. Freeze: SubZero 1998
Barbara Gordon / Batgirl (voice) ★ 7.7 Scooby-Doo on Zombie Island 1998
Daphne Blake (voice) ★ 7.9 Mulan 1998
Additional Voices (voice) Series ★ 9.9 Scooby-Doo! Behind the Scenes 1998
Daphne Blake (voice) Series ★ 8.7 Oh Yeah! Cartoons 1998
Timmy Turner (voice) ★ 7.5 Hercules 1997
Earthquake Lady (voice) ★ 6.6 Annabelle's Wish 1997
Hens (voice) Series ★ 7.3 Johnny Bravo 1997
Series ★ 8.3 South Park 1997
Liane Cartman / Wendy Testaburger / Sharon Marsh / Sheila Broflovski (voice) Series ★ 6.7 Extreme Ghostbusters 1997
Series ★ 7.1 Cow and Chicken 1997
Sandy (voice) Series ★ 7.1 I Am Weasel 1997
Sandy (voice) ★ 7.1 The Hunchback of Notre Dame 1996
Quasimodo's Mother (voice) Series ★ 7.5 What a Cartoon! 1995
Doris (voice) Series ★ 6.6 Fantastic Four 1994
Princess Anelle (voice) Series ★ 8.3 Spider-Man 1994
Gwen Stacy (voice) Series ★ 7.5 The Tick 1994
Ottoman (voice) Series ★ 7 The Little Mermaid 1992
Arista (voice) ★ 7.7 Beauty and the Beast 1991
Bimbette (voice) Series ★ 7.6 Rugrats 1991
Spokes / Friendly Boy (voice) Series ★ 6.9 Captain Planet and the Planeteers 1990
Dr. Blight (voice) 
