He began his career in British television and had his first starring role in the drama film Beach Rats (2017), for which he was nominated for the Independent Spirit Award for Best Male Lead.

Dickinson has since starred in the films Maleficent: Mistress of Evil (2019), The King's Man (2021), Triangle of Sadness (2022), Where the Crawdads Sing (2022), The Iron Claw (2023), Babygirl (2024), and Blitz (2024), along with the miniseries A Murder at the End of the World (2023).

Dickinson was born 24 June 1996[1] in Whipps Cross University Hospital, East London,[2][3] and grew up in Highams Park.

[3] Dickinson almost opted for a career in the Royal Marines, before being persuaded to return to the theatre by his coach at RAW Academy in London.

[9][10] Reviewing the film, Variety's Peter Debruge wrote Dickinson "brings a kind of fragile vulnerability to the Abercrombie frat-boy type".

[20] David Rooney of The Hollywood Reporter wrote, "Dickinson’s unforced intensity makes him a magnetic screen presence", adding that "he hasn't exuded this much undiluted sexuality since Beach Rats".