Spencer Fox is an American musician, singer and former child actor. He is best known as the voice of Dash Parr in the 2004 animated film The Incredibles, and as the lead guitarist for the indie rock band Charly Bliss, which he co-founded in 2011.

The Incredibles is a 2004 American animated superhero film produced by Pixar Animation Studios and released by Walt Disney Pictures. Written and directed by Brad Bird, it stars the voices of Craig T. Nelson, Holly Hunter, Sarah Vowell, Spencer Fox, Jason Lee, Samuel L. Jackson, and Elizabeth Peña. Set in a retro-futuristic version of the 1960s, the film follows Bob and Helen Parr, a couple of superheroes, known as Mr. Incredible and Elastigirl, respectively, who hide their powers in accordance with a government mandate, and attempt to live a quiet suburban life with their three children. However, Bob's desire to help people draws the entire family into a confrontation with a vengeful fan-turned-foe.