Walk Hard: The Dewey Cox Story is a 2007 American comedy film directed by Jake Kasdan, and written by Kasdan and co-producer Judd Apatow. It stars John C. Reilly, Kristen Wiig, Tim Meadows and Jenna Fischer. A parody of the biopic genre, Walk Hard is the story of a fictional early rock and roll star played by Reilly.

Jacob Kasdan is an American filmmaker and actor. He is best known for directing Walk Hard (2007), Bad Teacher (2011), Sex Tape (2014), Jumanji: Welcome to the Jungle (2017) and Jumanji: The Next Level (2019).