Background
Cavanaugh was born in 1963 to Rheta Mason (née Sharky) and Waldo Eugene Sandberg in Layton, Utah.
Cavanaugh was born in 1963 to Rheta Mason (née Sharky) and Waldo Eugene Sandberg in Layton, Utah.
She graduated from Layton High School in 1981. She first attended Utah State University, then the University of Hawaii, where she met her future husband, Kevin Cavanaugh.
She voiced the title character from the 1995 film Babe, Gosalyn Mallard in Darkwing Duck, and served as the original voices of Chuckie Finster in Nickelodeon"s Rugrats and Dexter in Cartoon Network"s Dexter"s Laboratory. In 2001, she retired from voice acting. On December 22, 2014, she died of leukemia.
The couple divorced later that same year.
However she kept his surname as her professional name upon becoming an actress. In 1991, Cavanaugh voiced Gosalyn Mallard, the title character"s adopted daughter on Disney"s Darkwing Duck as well as the voice of Chuckie Finster on the Nickelodeon cartoon Rugrats and later, in 1994, the voice of Oblina, one of the three main monster-students on Aaahh!!! Real Monsters.
Cavanaugh could also be heard on The Critic as the voice of Marty, Jay Sherman"s son. Her voice credits also include the animated series Sonic the Hedgehog, 101 Dalmatians: The Series, Hercules: The Animated Series, The Powerpuff Girls, The Wild Thornberrys, and Recess, as well as the voice of Birdie in McDonald"s commercials.
In the early 1990s, Cavanaugh also served as an announcer for The Disney Channel for "coming up next" bumpers.
In 1995, Cavanaugh lent her voice to the live-action film Babe in the starring role of Babe the Gallant Pig. She was offered to reprise her role for the sequel, Babe: Pig in the City, but decided against it and the role was instead played by her Rugrats co-star Elizabeth Daily, who voices Tommy Pickles. Also in 1995, Cavanaugh started doing the voice of boy-genius Dexter in Dexter"s Laboratory, which began as a short under Cartoon Network"s What a Cartoon! show and later became the first short to be adapted into its own series for Cartoon Network.
Cavanaugh also guest starred on several television shows including Salute Your Shorts, Cheers, Empty Nest, Wings, The X-Files, Everybody Loves Raymond, and Emergency, and had supporting roles in the feature films Soulmates and Jerry Maguire.
Cavanaugh retired from voice acting in 2001, wanting to spend time with her family. After her retirement, she was replaced by Candi Milo as the voice of Dexter and by Nancy Cartwright (her co-star in The Critic) as the voice of Chuckie in Rugrats.
While suffering leukemia at her home in Cedar City, Utah, Cavanaugh died on December 22, 2014 at age of 51. Actresses East.G. Daily, Tara Strong, and Grey DeLisle, who were heartbroken at this news, twittered farewell messages to her as tribute.