Jade Elizabeth Pettyjohn (born November 8, 2000) is an American actress. She is known for her roles as McKenna Brooks in An American Girl: McKenna Shoots for the Stars, as Summer on the Nickelodeon television series School of Rock, as Lexie Richardson on the Hulu drama television miniseries Little Fires Everywhere, and as Grace Sullivan on the ABC series Big Sky.
Life and career Pettyjohn was born in Los Angeles, California. Prior to her film and television career, she performed alongside a local children's song and dance troupe from the age of seven. Pettyjohn has also played various roles in several television series, such as in Revolution, Criminal Minds: Suspect Behavior, Grimm, The United States Of Tara, The Mentalist, and Pure Genius. She co-starred in the Nickelodeon Original Movie Rufus 2 which aired in January 2017.
In September 2017, Pettyjohn was cast as Laura Dern's daughter in the movie Trial by Fire. Additionally, she was added to the cast of the crime thriller film Destroyer, and appeared in the film Against All Enemies. In late 2018, Pettyjohn was cast in Deadwood: The Movie, playing the role of Caroline, a newcomer to the town of Deadwood. In 2019 she was cast in the Hulu television series Little Fires Everywhere playing Lexie Richardson, the daughter of Reese Witherspoon's character. In June 2020, it was announced that Pettyjohn had been cast in the ABC television drama series Big Sky, playing Grace Sullivan who is kidnapped along with her older sister Danielle (Natalie Alyn Lind).
Pettyjohn is a Scientologist.
Filmography
Film Year Title Role Notes 2014 Dakota's Summer Summer Jennings 2015 Shangri-La Suite Young Karen 2016 Girl Flu. Bird 2017 The Black Ghiandola Bri Short film 2018 Destroyer Shelby 2018 Trial by Fire Julie Gilbert 2019 Seberg Jenny Kowalski 2023 Fish Out of Water Lexi Short film 2024 AMFAD All My Friends Are Dead Sarah 2025 Under the Lights Shelby
Television Year Title Role Notes 2008 The Mentalist Julie Sands Episode: "Ladies in Red" 2010 United States of Tara Kammy Episodes: "Trouble Junction", "The Truth Hurts" 2011 Criminal Minds: Suspect Behavior Samantha Weller Episode: "Two of a Kind" 2012 Grimm April Granger Episode: "The Bottle Imp" 2012 An American Girl: McKenna Shoots for the Stars McKenna Brooks Television film 2012–2013 Revolution Charlie Matheson (11 Years) / Young Samantha 3 episodes 2014 The Last Ship Ava Tophet Recurring role, 6 episodes 2014 All I Want for Christmas Megan Farley Television film 2014–2015Henry Danger Chloe Hartman 3 episodes 2015 Nickelodeon's Ho Ho Holiday Special Herself Television special 2016–2018School of Rock Summer Hathaway 45 episodes 2016 Pure Genius Madeline Sorenson Episode: "A Bunker Hill Christmas" 2017 Rufus 2 Kat Television film 2017 Nickelodeon's Not So Valentine's Special Herself Television special 2017 Nickelodeon's Sizzling Summer Camp Special Herself Television special 2017 Nickelodeon's Ultimate Halloween Haunted House Herself Television special 2017 Nicky, Ricky, Dicky & Dawn Rose Dirken Episode: "The Wonderful Wizard of Quads" 2019 Deadwood: The Movie Caroline Woolgarden Television film 2019 The Righteous Gemstones Dot Nancy 3 episodes 2019 Middle School Moguls Celeste4 episodes, main voice role 2020 Little Fires Everywhere Lexie Richardson 7 episodes 2020–2021 Big Sky Grace Sullivan 8 episodes 2022 Fire Country Riley Leone Episodes: "The Fresh Prince of Edgewater", "Where There's Smoke..." 2024 Monsters: The Lyle and Erik Menendez Story Jamie Pisarcik 3 episodes2025 Doctor Odyssey Daphne Episode: "Casino Week" The Rookie Aimee Episode: "The Return" Grey's Anatomy Dr. Dani Spencer Recurring role; season 22
Video games World of Final Fantasy (2016), as Girl Who Forgot Her Name
Awards and nominations Year Award Category Work Result 2017 Northeast Film Festival Best Supporting Actress in a Short Film The Black Ghiandola 2018 Young Entertainer Award Best Young Ensemble School of Rock
References
External links