Dr. Kim Saunders

Dr. Kim Saunders moves through Richard Roper's world with brisk professional composure, tending to the practical needs of his operation rather than its politics. She's sharp, unflappable, and clearly capable of doing her job without asking questions she doesn't want answered — which makes her a quiet fixture of the empire Jonathan Pine is working to infiltrate.

Howell-Baptiste gives a small role real texture, playing competence as its own kind of armor. Saunders never announces what she knows or suspects, but her watchfulness suggests someone who has made peace with proximity to danger. It's a performance built on control, and it makes you wonder what she's choosing not to see.