[1] Her first major roles were as a series regular on The CW supernatural mystery The Messengers (2015) and the Fox thriller 24: Legacy (2017).

Diop achieved further prominence for portraying Kory Anders / Starfire on the DC Universe / HBO Max series Titans from 2018 to 2023.

[4] In 2015, Diop starred as Rose Arvale in the short-lived supernatural drama series The Messengers.

[7][8] In the DC Universe superhero series Titans (2018–2023), Diop plays the extraterrestrial princess and heroine Starfire.

[11] On October 16, 2022, Diop was given the Spotlight Award at the Newport Beach Film Festival.