Cavanaugh, who is known for the comedy film 'Babe' voiced the character of pig and Dexter from 'Dexter's Laboratory' died on December 22 at her home in Cedar City, Utah, reported TMZ.
She has voiced for a number of iconic cartoon characters including Chuckie the red-headed baby from 'Rugrats', 'Darkwing Duck', 'Aladdin', 'The Powerpuff Girls' and 'The Wild Thornberrys'.
Cavanaugh retired from voice acting in 2001. The reason behind her death is still unclear.