She has since gained wider recognition for her starring roles as Kathy Freeman in CH4/Peacock's The Undeclared War, Chloe Winthrop in Netflix's The Kissing Booth 2, as well as the third installment in the franchise.

She also played both Amaya Jiwe / Vixen and Charlie on The CW superhero series DC's Legends of Tomorrow, and Korr Sella in Star Wars: The Force Awakens.

"[13] In early March 2015, it was announced that Richardson-Sellers would play a starring role in Of Kings and Prophets, a short-lived ABC drama series that was filmed in South Africa.

[23] In 2022, Richardson-Sellers starred in the political drama "The Undeclared War" directed by 7 time BAFTA winner Peter Kosminsky, opposite Mark Rylance and Simon Pegg.

[24] In June 2023, it was announced that Maisie Richardson-Sellers had been cast in the upcoming season 2 of ‘Nine Perfect Strangers’, starring opposite Nicole Kidman, Murray Bartlett and Liv Ullman.

"[27] Active members of the initiative include Melissa Benoist, Nicole Maines, Chyler Leigh, Caity Lotz, Tala Ashe, Emily Bett Rickards, Juliana Harkavy, Katie Cassidy, Candice Patton, and Danielle Panabaker.