Dr. Judith

Dr. Judith turns up as one of the countless background professionals populating the Futurama universe, the kind of clipped, no-nonsense specialist the show likes to wheel out for a scene or two. She speaks with brisk authority, delivers her line of information, and gets on with it, adding texture to whatever chaos Fry, Leela, and the crew have stumbled into.

Tress MacNeille built a career on exactly this kind of part: give her thirty seconds and she'll hand you a fully formed voice, dry and precise, that makes a one-scene character feel like she has a whole life happening off-camera. It's the throwaway roles that show off Futurama's density of invention, and MacNeille's control is why they land.