She also voiced Diane Simmons on Family Guy, the Invisible Woman on Fantastic Four, and The Boss in the Metal Gear video game series.

[citation needed] She started acting at age five, making her television debut in a Shakey's Pizza commercial.

[7] Alan voices Pearl Krabs on SpongeBob SquarePants, Sue Richards (the Invisible Woman) on Marvel Comics' The Fantastic Four, newsreader-turned-murderer Diane Simmons on Family Guy, and The Boss in the Metal Gear series.

Her rendition of The Boss was rated as one of the top 25 "Greatest Acting Performances in Video Games" by Complex.

[8] In 2005, she joined Warren Beatty, Rob Reiner, Kurtwood Smith and Jason George to help voice commercials against proposals made by California governor Arnold Schwarzenegger.