Around 2014, Miller took acting training classes in Los Angeles and Orlando.
[1] In 2017, Miller had a breakout role starring in War for the Planet of the Apes, as the character Nova.
[3] She previously appeared in Lights Out (2016), playing the young version of Teresa Palmer's character.
[4] On television, she appears in Henry Danger, Richie Rich, Best Friends Whenever[5] and MacGyver.
She often plays the young version of another character, as she did in the films Lights Out and Trafficked, and in the TV series Best Friends Whenever.