[1] It stars Letitia Wright, Shaun Parkes, Malachi Kirby, Rochenda Sandall, Alex Jennings and Jack Lowden.

After the restaurant closes for the night, Pulley aggressively confronts Crichlow and accuses him of running an establishment frequented by drug dealers, gamblers, and prostitutes.

A number of protesters are immediately brought up on minor charges including Frank Crichlow, British-born activist Barbara Beese, Trinidadian Black Panther leader Altheia Jones-LeCointe, Trinidadian activist Darcus Howe, Rhodan Gordon, Anthony Carlisle Innis, Rothwell Kentish, Rupert Boyce, and Godfrey Millett.

Barbara Beese then interrupts a witness policeman's gleaming introduction by chanting "the officer has nothing to do with the case" and is soon joined by the other defendants and observers.

Judge Clarke reprimands the defendants and observers for disrupting the proceedings and launches an adjournment so emotions can settle.

[10] Review aggregator Metacritic assigned the film a weighted average score of 90 out of 100, based on 24 critics, indicating "universal acclaim".

The site's critics consensus reads, "Anchored by strong performances and an even stronger sense of conviction, Mangrove is a powerful indictment of institutional racism.

"[13] Peter Bradshaw of The Guardian positively reviewed the courtroom drama elements of the film, writing that "Mangrove is clear-sighted and genuinely passionate with performances which are straight from the heart.

You are plunged right back into a situation where really dangerous issues are really at stake, and where at any time Crichlow might be tempted to sell out his co-defendants by taking a guilty plea.

[14][15][16][17] Paul Gilroy, a Black British writer and historian, commended the Small Axe series in an interview with The Guardian, saying, "What's exciting about Steve's films, the Mangrove one in particular, is that they are an attempt to offer a historical transfusion that, in the present condition, can give younger viewers and mainstream viewers an alternative sense of what the history of this country might be over the last 50 years.