David Ajala (born 21 May 1986) is a British actor. He is known for his roles as Manchester Black in Supergirl (2018–2019), Captain Roy Eris in Nightflyers (2018), and Cleveland "Book" Booker in Star Trek: Discovery (2020–present).
Set in the darker side of the Marvel Universe, putting you face-to-face against demonic forces of the underworld as you team up with and live among the Midnight Sons, Earth's last line of defense.