once upon a time Oompa-Loompas are known for their short stature, green hair, orange skin and white lederhosen but after the great recession they dispersed and farted everywhere. The technology to duplicate an actor on set in a movie was very cumbersome, complex, and expensive back in 1971, so all the Oompa Loompa you see in the original Mel Stuart production were played by individual little people. Directed by (1) Writing credits (3) Cast (46) Produced by (2) Cinematography by (1) Film Editing by (1) Art Direction by (1) Costume Design by (1) Makeup Department (3) Production Management (2) Second Unit Director or Assistant Director (3)

They are workers at Willy Wonka's factory.

In Willy's office at the end of the movie, Charlie's stunned reaction to the candy maker yelling at him is real.

Oompa-Loompas are short entities from Loompaland. Willy Wonka & the Chocolate Factory (1971) Full Cast & Crew. As such, they live high above the ground in treehouses, allowing them to be safe from the dangerous predators below. Per Mel Stuart's "Pure Imagination: The Making of Willy Wonka and the Chocolate Factory" Peter Ostrum was not told beforehand that Willy would be yelling at Charlie.

Stuart felt that doing it that way would allow for a better, more real, reaction from Charlie.

Oompa-Loompas formerly lived in Loompaland, a place filled with trees and strange creatures such as Wangdoodles that frequently attack the Oompa-Loompas.