You may not know Shamier Anderson’s name yet, but it’s safe to say his career is worth keeping track of.

Anderson stars as Tracker, also known as Nobody, in the just-released critically acclaimed franchise installment “John Wick: Chapter 4.” Tracker is at once an audience insert and a welcome foil to the sleek stylings of John Wick (Keanu Reeves) and High Table boss the Marquis (Bill Skarsgård), but it’s Anderson’s effortless humor, extensive martial arts background, and even collaborations with “John Wick: Parabellum” star Halle Berry that make him the perfect counterpart to Reeves’ emotionally distant lead.

Anderson starred in Berry’s 2020 directorial debut “Bruised,” which “John Wick” director Chad Stahelski executive-produced.

“Chad was instrumental in being a part of that film. We actually had crossed paths on that set, and I did work on that film, not too much of a significant part. It was an...