“If you’ve seen a movie in the last 20 years, chances are you know the choreographer Marguerite Derricks’s work, if not her name. Austin Powers’s epic go-go dance through the streets? Ms. Derricks’s idea. Abigail Breslin’s climactic strip routine in Little Miss Sunshine? Ms. Derricks was just off camera, encouraging Ms. Breslin to claw like a tiger. Angelina Jolie and Brad Pitt’s tango in Mr. and Mrs. Smith? Well, Ms. Derricks was Ms. Jolie’s first partner.”