Isabella Ruby is child actress from Houston, Texas. She began acting at the age of 9. She played a number of leading roles in musical theater productions as a young actress. She made her stage debut in The Little Mermaid as Ursula, Jungle Book (twice) as Shere Khan and Bagheera, 101 Dalmatians as Cruella, You're a Good Man Charlie Brown as Lucy as well as Bye-Bye Birdy, Moana, and Peter Pan as Cecco the pirate. She made her film debut in 2022 in the western drama Murder at Yellowstone City, where she plays the child lead Josephine Wright. She played alongside Pierce Brosnan and Sam Jackson as Nora Benton in the movie Unholy Trinity releasing Fall 2024.