The Wilhelm Scream is arguably the most famous sound effect in movie history. It has appeared in more than 400 films, TV shows, and video games—including Star Wars, Indiana Jones, Lord of the Rings, Toy Story, and countless others. But the true origin of the Wilhelm Scream has been debated for decades.

This award-winning short documentary dives deep into the history of the Wilhelm Scream, exploring how it started, who created it, and how it became Hollywood’s biggest inside joke. Featuring interviews with Academy Award winning sound designers, never-before-seen archival, and a groundbreaking forensic investigation, this video finally answers the question: Who actually voiced the Wilhelm Scream?

Uploaded to YouTube by Practical Effects Film & HwdSoundMuseum.