He is known for his portrayal of the superhero Victor Stone / Cyborg in the DC Extended Universe media franchise, including in Justice League (2017).

[7] In 2008, Fisher portrayed Dr. Marcus Blake in the musical Attorney for the Damned, which held performances at the off-off-Broadway Kraine Theater.

[3] He reprised the role as part of an ensemble cast in Justice League (2017),[3] which generated lukewarm reviews and had an unsuccessful theatrical run.

[16] In 2020, Fisher accused director Joss Whedon of "abusive" and "unprofessional" behavior while filming Justice League.

[21] Reviewing the cut, Tom Jorgensen of IGN highlighted Fisher's nuanced and colorful portrayal and Alex Abad-Santos of Vox praised the "mix of rage and vulnerability" in his performance.

[24] He portrayed Gene Mobley, the husband of activist Mamie Till-Mobley, in the 2022 ABC limited series Women of the Movement.