Caila Marsai Martin (born August 14, 2004) is an American actress and producer, best known for her role as Diane Johnson on the ABC sitcom Black-ish (2014–2022). In 2019, Martin had a starring role in the comedy film Little, which she also produced at the age of 14. She holds the Guinness World Record as the youngest Hollywood executive producer for the movie. Time magazine named her on its "Time 100 Next" the year of its release. In 2022, she produced and starred in the sports comedy film, Fantasy Football.

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Marsai Martin is an American actress and producer recognized for her breakout television role and her pioneering work as a young studio executive producer.
She is best known for starring as Diane Johnson in the ABC sitcom Black-ish and for producing and starring in the comedy film Little.
Alongside Little, she produced and starred in the sports comedy Fantasy Football and the comedy film Girl Dad. Explore her complete filmography on Mood.