Beese was one of the most prominent members of the Mangrove Nine and a part of the British Black Panthers. She had a relationship with Darcus Howe, and their son is Darcus Beese, president of Island records who has signed the likes of Amy Winehouse. Per Byline Times, Beese and Altheia Jones-Lecointe are the only two members of the Mangrove Nine still alive today.

Boyce was one of the nine who received a suspended sentence for lesser offences. Per Byline Times, Boyce is no longer living, however not much else is publicly available about his life in the years after his arrest.

Crichlow was the owner of the Mangrove restaurant and he planned the protest. He was born in Trinidad, coming over to the UK in 1953. In 1956 formed the Starlight Four band. He had three children, one of whom is actor Lenora Crichlow known for Sugar Rush and Black Mirror. Sadly Crichlow died in 2010 of cancer.

Gordon studied agriculture in Granada before moving to the UK to continue his education. After receiving a suspended sentence as one of the Mangrove Nine, Gordon formed the Black People's Information Centre, offering free legal advice and charity Unity Association which trained young people in vocational skills. He continued his activism and worked to support and advocate for African and Caribbean communities in the UK. He died in 2018.

Following the trial, Howe continued his activist work, founding Race Today Collective which published studies into race in Britain and the magazine Race Today which documented the efforts of racial justice campaigns around the world. Per the Guardian, Howe and the Race Today Collective organised a protest of 20,000 people following the New Cross Fire in which 13 young people died in a suspected racist attack. He later became involved in broadcasting, creating documentaries and current affairs programs for Channel 4. He also wrote columns for the Evening Standard and the New Statesman. He had three children, Amir Howe, Tamara Howe (who is now head of Vice's broadcasting arm), and Darcus Beese. Howe died in 2017.

Innis was one of the Nine arrested and was also acquitted for the main charges of incitement to riot. Little information is publicly available about what happened to Innis following the Mangrove Nine trial.

Jones-LeCointe (played by Letitia Wright in Mangrove) is a research physicist and activist. She was born in Tinidad and came to Britain in 1965 to study for a PhD in biochemistry at University College London. She was leader of the British Black Panther Party in the 1960s and '70s. She and Barbara Beese are the only two surviving members of the Mangrove Nine.

Known as Roddy Kentish, he was born in Kingston Jamaican. He faced a separate trial to the rest of the nine and was sentenced to 36 months. After the trial, he continued his activist work, fighting for improved housing conditions in West London, helping set up the Notting Hill Children’s Carnival, and later founding the Teamwork Training Scheme, an initiative which taught unemployed local young people woodwork, mechanics and electronics skills. He died aged 87 in 2019.

Millet was also one of the Nine arrested and was acquitted for the main charges of incitement to riot, little information is publicly available about his life after the trial.