Justin Zackham is an American and British screenwriter, director and producer. He wrote the films The Bucket List, One Chance, The Big Wedding, and Second Act. He also created the FX TV series Lights Out. Zackham coined the term "bucket list" with his screenplay for the film, inspired by his own "List of Things to do Before I Kick the Bucket", which he shortened to "Justin's Bucket List".[1]