Carla Jeffery, an actress known for her role as Bree in Disney’s “Zombies” film series, died on September 1 at the age of 33. The news was confirmed by her agent, Carla Alexander, who did not disclose the cause of death or the location where Ms. Jeffery passed away.

Born on July 10, 1993, in Houston, Ms. Jeffery began her acting career alongside her twin brother, Carlon, after the family moved to California. She credited her brother for encouraging her to pursue acting, describing how taking classes helped her overcome shyness and discover a passion for performing.

Ms. Jeffery’s career spanned roughly two decades, with appearances on various television series geared toward younger audiences. Early roles included a part in the 2006 comedy “Phat Girlz” and a recurring role on the sixth season of HBO’s “Curb Your Enthusiasm,” where she portrayed Keysha Black, a child displaced by a hurricane. She appeared in the season’s opening episode, “Meet the Blacks,” which aired in 2007.

In interviews, Ms. Jeffery reflected on the challenges of working on “Curb Your Enthusiasm,” particularly the show’s improvisational style. She described Larry David as "beyond hilarious" and expressed feelings of uncertainty about navigating scenes primarily led by adult actors at the time.

Later, she appeared in guest roles on Disney Channel series such as “Good Luck Charlie” and “Shake It Up.” However, she achieved widespread recognition for her role as Bree, the cheerful cheerleader and best friend to Addison in the “Zombies” franchise. She first portrayed the character in 2018 and reprised the role in two sequels. The films were popular on Disney+, reaching nearly 250 million streaming hours.

Ms. Jeffery spoke openly about the significance of representing plus-size Black women on screen and the impact that her character had on young viewers. She expressed pride in inspiring children who saw themselves reflected in her role. The actress noted her excitement when Disney released costumes based on the franchise, seeing young girls dressing as Bree, emphasizing the importance of positive representation.

Details regarding Ms. Jeffery’s survivors have not been released.