Aside from her role in Mean Girls, she is best known for playing Heather Chandler on The CW series Beauty & the Beast. Her other roles include Macy Misa in the Disney Channel Original Series Jonas, and Kelly Parker and Miranda Collins on the ABC Family series Make It or Break It and Ravenswood and a movie Accused at 17. She also had recurring role in the TV series Make It or Break It.
Anderson was born in Rochester, Indiana. Her father is an American who served as a Commander in the United States Navy, and her mother is of Filipino ethnicity. As a child, she won national gymnastics competitions, but retired due to injuries. Anderson was awarded a scholarship to Georgia's Barbizon Modeling and Acting School at age 13. She then began to study acting and attending auditions. She landed several print ads and television commercials, including Mary-Kate & Ashley Online Clothing, Every Girl, Stand Up, and Bratz Pretty 'n' Punk & Treasures.
She currently resides in Toronto, Canada.
Anderson auditioned for the role of Stella in the television series Jonas, but actress Chelsea Staub ended up winning the role. After the series plot changed, producers decided to create a best friend for Stella and offered Anderson, the role of Macy.
Anderson was added to the cast of the television series Beauty & the Beast in March 2012. playing the recurring role of Heather Chandler, Catherine's (Kristin Kreuk) younger sister. In May 2013, it was announced that Anderson had joined Ravenswood, a Pretty Little Liars spin-off, as Miranda Collins, a foster kid, who relies on her wits to cover her emotional scars. Prior to appearing in Ravenswood, Anderson appeared in the Pretty Little Liars episode "Grave New World", introducing her character, Miranda Collins. After the cancellation of Ravenswood, Anderson returned for the third season of Beauty & the Beast as a regular cast member.
Gale served as the first international spokesperson for the Underwriters Laboratories Youth Safety Smart program and has participated in Disney's Friends for Change.