Jeffery was born in Vancouver, British Columbia. She has been singing, dancing and acting in musicals and theatrical productions since she was three years old. In between acting projects, Jeffery performs on stage with the semi-professional dance crew, Body. Jeffery is of mixed ethnicity, having a Mexican father and an Italian mother.
Jeffery‘s first major acting role was in the Cartoon Network television pilot Aliens in the House. Shortly thereafter landed a lead role in the DirecTV original series Rogue, working opposite Thandie Newton, playing the role of her daughter, Evie Travis. She subsequently joined the cast of Fox’s sci-fi drama series Wayward Pines playing the recurring role of Amy, opposite Matt Dillon and Carla Gugino.
In 2015, Jeffery played the role of Audrey, daughter of Princess Aurora, in Disney Channel Original Movie, Descendants. She followed this up by playing the role of Audrey in the animated spinoff to the film, Descendants: Wicked World.
In January 2016, she began a supporting role in Adi Hasak’s American police procedural crime series Shades of Blue, playing Cristina Santos, the daughter of Jennifer Lopez‘s character; the series was renewed for a second season. The same year Jeffery starred in the comedy film Be Somebody with Matthew Espinosa.
In February 2018, Jeffery was cast in the lead role of Maggie Vera in The CW’s upcoming fantasy drama series Charmed, a revival of the 1998 series of the same name. The revival “centers on three sisters in a college town who discover they are witches.”
| YEAR | TITLE | ROLE | NOTES |
|---|---|---|---|
| 2013 | Aliens in the House | Katie | Unsold television pilot |
| 2013-2016 | Rogue | Evie Travis | Main role (seasons 1–3), 24 episodes |
| 2015 | Wayward Pines | Amy Breslow | Recurring role (season 1), 6 episodes |
| 2015 | Descendants | Princess Audrey | Disney Channel Original Movie |
| 2015-2017 | Descendants: Wicked World | Princess Audrey | Voice role; main role, 27 episodes |
| 2015 | Across the Line | Jayme Crawley | Film; originally titled Undone |
| 2016-2018 | Shades of Blue | Cristina Santos | Main role, 36 episodes |
| 2016 | Be Somebody | Emily Lowe | Film |
| 2018 | The X-Files | Brianna Stapleton | 2 episodes |
| 2018 | Daphne & Velma | Daphne Blake | Direct to video |
| 2018 | Charmed | Charmed Maggie Vera | Main role |