Traditional techniques used in English pronunciation courses such as minimal-pair drills, reading out loud, and practicing isolated sounds slowly with a monotone voice have questionable effectiveness due to limited time and students' ability. This article describes a project to overcome such limitations by requiring learners to dub a short movie excerpt in English. When dubbing a movie excerpt, learners realize gaps in their pronunciation skills by comparing their speech with the actor's speech. They then practice reading the script multiple times, imitating the actor's voice while maintaining the original speed. This repeated practice over time is beneficial for improving speaking speed and intonation. This movie-dubbing project brings the real world into the classroom and helps students speak English more naturally.