Marsai Martin is a 22-year-old American actress and producer from Plano, Texas, who was born on August 14, 2004. She stands 5 feet 2 inches tall and is best known as Diane Johnson in ABC’s Black-ish, a role she played from 2014 to 2022. At 14, she became the youngest executive producer in Hollywood history with the film Little in 2019, and she has since starred in Fantasy Football in 2022 and G20 in 2025.
Quick Facts
| Full Name | Marsai Martin |
| Age | 22 |
| Date of Birth | August 14, 2004 |
| Birthplace | Plano, Texas, United States |
| Height | 5 ft 2 in (1.57 m) |
| Occupation | Actress and producer |
Who Is Marsai Martin?
Marsai Martin is an American actress and producer who has been working in television and film since she was a child, and who has already, by her early twenties, built a career that spans acting and producing. Born in Plano, Texas, on August 14, 2004, she is best known as Diane Johnson, the sharp-tongued younger daughter in ABC’s Black-ish, which she played for eight seasons from 2014 to 2022.
What sets Martin apart is that she did not wait to grow up before moving behind the camera. At 14, she executive produced and starred in the comedy Little in 2019, becoming the youngest executive producer in Hollywood history at the time. She founded her own production company, Genius Productions, and she has used it to develop projects that centre young Black voices. She has since starred in the Amazon film Fantasy Football in 2022 and in the action thriller G20 in 2025, opposite Viola Davis.
Early Life & Background
Marsai Martin was born on August 14, 2004, in Plano, Texas, to Carol Martin and Joshua Martin. She began acting as a child, appearing in commercials, and she moved with her family to Los Angeles to pursue acting work. She was still a child when she was cast in Black-ish, and she grew up on the show, balancing school with a full-time acting schedule.
The idea for Little came from Martin herself. She pitched the concept, in which a stressed businesswoman wakes up in her 13-year-old body, to producer Will Packer when she was 10, and the film was made when she was 14, with Martin as an executive producer and as the younger version of the lead character. That early experience as a producer shaped the rest of her career, and she has spoken about wanting to create opportunities for other young actors and storytellers.
Career
Martin’s career began with Black-ish in 2014, where she played Diane Johnson, the family’s younger daughter, known for her deadpan delivery and her rivalry with her twin brother Jack. The show ran for eight seasons, and Diane became one of its most popular characters. Martin won several NAACP Image Awards for the role, including for Outstanding Supporting Actress in a Comedy Series.
In 2019, she starred in and executive produced Little, alongside Regina Hall and Issa Rae, and she became the youngest person to executive produce a major studio film. She went on to voice Liberty in PAW Patrol: The Movie in 2021, star in Fantasy Football in 2022, and appear in G20 in 2025. Through Genius Productions, she has continued to develop film and television projects, with a focus on stories for young audiences.
Facts About Marsai Martin
- Marsai Martin was born on August 14, 2004, in Plano, Texas, and is 22 years old.
- She played Diane Johnson in Black-ish from 2014 to 2022.
- At 14, she became the youngest executive producer in Hollywood history with Little in 2019.
- She founded the production company Genius Productions.
- She starred in Fantasy Football in 2022 and in G20 in 2025.
Frequently Asked Questions
How old is Marsai Martin?
Marsai Martin is 22 years old. She was born on August 14, 2004.
How tall is Marsai Martin?
Marsai Martin is 5 feet 2 inches tall (1.57 m).
What is Marsai Martin known for?
Marsai Martin is known for playing Diane Johnson in Black-ish and for producing and starring in Little.
How old was Marsai Martin when she produced Little?
Marsai Martin was 14 when Little was released in 2019, making her the youngest executive producer in Hollywood history at the time.
Where is Marsai Martin from?
Marsai Martin was born in Plano, Texas, in the United States.
How old is Marsai Martin?
Marsai Martin is 22 years old. She was born on August 14, 2004.
How tall is Marsai Martin?
Marsai Martin is 5 feet 2 inches tall (1.57 m).
What is Marsai Martin known for?
Marsai Martin is known for playing Diane Johnson in Black-ish and for producing and starring in Little.
How old was Marsai Martin when she produced Little?
Marsai Martin was 14 when Little was released in 2019, making her the youngest executive producer in Hollywood history at the time.
Where is Marsai Martin from?
Marsai Martin was born in Plano, Texas, in the United States.
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