In 2013, Akinjirin founded the theatre company Harts, where she served as artistic director. Her early television appearances include episodes of the BBC soap opera
EastEnders,
Law & Order: UK and the
ITV sitcom
The Delivery Man. She was a regular on the 2015 BBC sketch comedy
The Javone Prince Show. This was followed by further appearances in the ITV comedy-drama
Cold Feet and the
Dave series
Crackanory. Akinjirin featured in an installment of the 2017
Channel 4 science fiction anthology
Electric Dreams. From 2018, she had a recurring role as DS Vanessa Ekwensi in the BBC One crime drama
Strike. She had her first named feature film role as Detective Constable Amy in
King of Thieves that year. In 2019 and 2020, Akinjirin played Dee in the
BBC Two miniseries
Trigonometry. She appeared in the
BBC One miniseries
I May Destroy You as Alissa and
The Salisbury Poisonings as Davina Moens, and the
Peacock adaptation of
Brave New World as DJill29. Akinjirin joined the
HBO Nordic series
Beforeigners for its second season in 2021 as Precious. This was followed by roles as Bobbi Kennedy in the
Disney+ series
Moon Knight in 2022 and Aunt Fanny in the 2023
CBBC adaptation of
The Famous Five. She then starred in
Simon West's 2024 action comedy
Old Guy as Opal and Joy Gharoro-Akpojotor's 2025 drama film
Dreamers as Farah opposite
Ronkẹ Adékọluẹ́jọ́. Also in 2025, she played Barbara Pierre-Dupont in the
Doctor Who spin-off
The War Between the Land and the Sea. ==Bibliography==