When the lights go out in Christmasland, Millie is faced with the frightening possibility of her own impermanence. She sets out on a harrowing journey to find a way out of her father’s inscape.
Mattea made her Broadway debut as the title role in Matilda at age 9. Other Broadway credits include Sunday in the Park with George and the original cast of Disney’s Frozen (Young Anna), which she was a part of from the very first workshop. On television, she can be seen as a series regular as “Millie Manx,” on AMC’s NOS4A2, recurring as Elisa Marie on the hit Starz series Power, as well as Gotham (CW) and The Good Cop (Netflix). On the big screen, Mattea can be seen in the films 3 Generations, The Super and The Viper Club opposite Susan Sarandon. She is also the voice of Moon on the animated series Ollie and Moon.