Pierre appeared in two episodes of the
BBC One series
The A Word and played a Roman soldier Antonius in series 1 of the
Sky Atlantic series
Britannia. In 2018, he began starring as Dev-Em in the
Syfy series
Krypton. That same year, Pierre starred as
Cassio in
Othello at
Shakespeare's Globe. For his performance, he received an
Ian Charleson Award commendation. He played the King opposite
Lenny Henry in the 2019 production of
King Hedley II at the
Theatre Royal Stratford East. American director
Barry Jenkins saw Pierre in
Othello and sent him a message afterwards, inviting him to audition for his new series. Pierre landed the role of Caesar in
The Underground Railroad, released on
Amazon Prime in May 2021. In July 2021, Pierre appeared as Mid-Sized Sedan / Brendan in
M. Night Shyamalan's film
Old. In August 2021, it was reported that Pierre would reteam with Barry Jenkins as a young
Mufasa in a
Lion King film. Pierre provided the voice of young Mufasa in
Mufasa: The Lion King, released in December 2024. In October 2021, after
John Boyega stepped down for family reasons, Pierre starred in
Jeremy Saulnier's film
Rebel Ridge, streamed on
Netflix in 2024. In February 2022, Pierre joined the cast of the upcoming superhero film
Blade, which is set in the
Marvel Cinematic Universe and was scheduled to premiere on November 7, 2025. He was released from the project in March 2024, as a result of script rewrites. Pierre won the
Best Supporting Performance in a Film at the
11th Canadian Screen Awards in 2023, for his performance as Francis in the film
Brother. In 2023, he starred in
Foe, an adaptation of the
novel of the same name by
Iain Reid. In October 2024, Pierre was cast as
John Stewart / Green Lantern in
DC Studios's
Lanterns television series. According to
GQ magazine, 2024 was "a busy breakout year that included portraying Malcolm X in the
Genius: MLK/X series, flexing his best Rambo in Netflix’s hit fall action thriller
Rebel Ridge, and signing on to play DC Universe space cop John Stewart in the upcoming Green Lantern streaming series
Lanterns. These days, Pierre’s rising star is everywhere". In June 2025, it was announced that Pierre would be starring alongside
Margaret Qualley and
Patrick Schwarzenegger in
Love of Your Life for
Amazon MGM Studios. In July 2025, it was announced that Pierre would be joining
Jennifer Hudson and
Ayesha Curry in
Stephen Curry and
Sony Pictures animated film
Goat. In August 2025, It was announced that Pierre would be joining the cast in
Star Wars: Starfighter alongside
Amy Adams, and
Ryan Gosling, in the
Shawn Levy-directed
Star Wars movie. ==Personal life==