Isabela Yolanda Moner, known professionally as Isabela Merced since 2019, is an American actress. She played the lead role in the Nickelodeon television series 100 Things to Do Before High School (2014–2016), and went on to feature in the films Transformers: The Last Knight (2017), Instant Family (2018), and Sicario: Day of the Soldado (2018). She starred as the titular character in the adventure film Dora and the Lost City of Gold (2019) and played main roles in the films Turtles All the Way Down and Alien: Romulus.