Billie Eilish Pirate Baird O'Connell ( EYE-lish; born December 18, 2001) is an American singer and songwriter. She first gained public attention in 2015 with her debut single "Ocean Eyes", written and produced by her brother Finneas O'Connell, with whom she collaborates on music and live shows. In 2017, she released her debut extended play (EP), Don't Smile at Me. Commercially successful, it reached the top 15 of record charts in numerous countries, including the US, UK, Canada, and Australia.

Rowan Blanchard (born October 14, 2001) is an American actress. She was included on a list of Times list of Most Influential Teens in 2015. She first became known for starring as Rebecca Wilson in Spy Kids: All the Time in the World (2011), and had her breakthrough portraying Riley Matthews on the Disney Channel series Girl Meets World (2014–2017), both of which earned her Young Artist Award nominations. She has since had roles as Jackie Geary on the ABC sitcom The Goldbergs (2017–2018), and Alexandra Cavill in the TNT series Snowpiercer (2020–2022).

Kaia Jordan Gerber (born September 3, 2001) is an American model and actress. She is the daughter of model Cindy Crawford and businessman Rande Gerber. After starring in a series of ad campaigns for fashion brands since debuting at Fashion Week in 2017, Gerber won Model of the Year at the British Fashion Awards. Gerber and her mother have worked together in campaigns for the Omega watch brand as well as three covers of Vogue.

Isabela Yolanda Moner (born July 10, 2001), known professionally as Isabela Merced since 2019, is an American actress and singer. She played the lead role of CJ Martin on the Nickelodeon television series 100 Things to Do Before High School (2014–2016) and voiced Kate in Nickelodeon's animated spinoff series Dora and Friends: Into the City! (2014–2017). In film, she has played Izabella in Transformers: The Last Knight (2017), Lizzy in Instant Family (2018), Isabel in Sicario: Day of the Soldado (2018), the titular character in Dora and the Lost City of Gold (2019), and Rachel Cooper in the Netflix film Sweet Girl (2021).

Xolo Maridueña (born June 9, 2001) is an American actor. He is best known for his role as Miguel Diaz in the Netflix series Cobra Kai, and as Victor Graham in the TV series Parenthood.

Thylane Léna-Rose Loubry Blondeau (born 2001) is a French model. Blondeau started modeling at a very young age, and in 2007, was titled "Most Beautiful Girl in The World." She has modeled for many designers, including Dolce & Gabbana, L'Oréal and Versace.

Chloé Elizabeth Lukasiak (born May 25, 2001) is an American actress, dancer and reality television personality. She gained recognition as a child for being an original cast member of Lifetime's reality television series Dance Moms during Season 1 through Season 4, where she quickly became a fan favorite. She later returned in the later half of season 7.

David Albert Mazouz (born February 19, 2001) is an American actor. He is best known for his leading role as Bruce Wayne in Fox's Batman-prequel TV drama Gotham (2014-2019). Mazouz started his acting career with several guest roles before joining the Fox TV series Touch (2012–2013), for which he was nominated for a Young Artist Award.