Mae Whitman is the voice actress who voices Heather.
Mae was born in Los Angeles, California to another voice artist, Pat Musick. She began her career at age 3 with a voice-over for a Tyson Chicken commercial. Whitman attended Ribét Academy, a private preparatory school in LA. Though she was later transferred to Whitefish Bay High School, where she graduated.
- Mae also does Heather's singing voice in the episode "Tone Death", and in fact has recorded a few songs for the 2002 Schools Out! Christmas album.
- Coincidentally, Heather is also the name of characters from Grey's Anatomy and ER and were also portrayed by Whitman.
- She voiced Katara, a character in the critically aclamimed animated series, Avatar: The Last Airbender.
- She voices Disney's Tinker Bell in the Tinker Bell movies.