• Andre Canapari - Photography
• Andrew Dixon - Assistant Engineer
• Andrew Southam - Photography
• Charles Judge - Horn Arrangements, Keyboards
• Cheche Alara - Rhythm Arrangements
• Chris Garcia - Assistant Engineer
• Christopher Kornmann - Art Direction, Design
• Colbie Caillat - Vocals, Vocals (Background)
• Daniel Chase - Pro-Tools
• David Becker - Guitar
• Dean Reid - Assistant Engineer
• Doug Sax - Mastering
• Eric Boulanger - Mastering
• Ghian Wright - Engineer, Mixing, Vocals (Background)
• Greg Calbi - Mastering
• Greg Suran - Guitar, Guitar (Electric)
• Greg Wells - Bass, Drums, Engineer, Keyboards, Mixing, Percussion, Producer, Programming
• James Freebarin-Smith - Cello
• Jamie Muhoberac - Keyboards
• Jason Reeves - Guitar, Photography, Vocals (Background)
• Jeff Rothschild - Engineer
• John Pierce - Bass
• John Shanks - Guitar, Guitar (Electric), Producer
• Josh Gudwin - Assistant Engineer
• Josh Newton - Photography
• Justin Young - Guitar, Vocals (Background)
• Kara DioGuardi - Vocals (Background)
• Ken Caillat - Engineer, Executive Producer, Mixing, Producer, Rhythm Arrangements
• Kieron Menzies - Engineer
• Lars Fox - Pro-Tools
• Luis Conte - Percussion
• Maxwell Abrams - Horn
• Michael Brauer - Mixing
• Nolan Sipe - Engineer, Vocals (Background)
• Patrick Warren - Keyboards, String Arrangements
• Paul Lamalfa - Assistant Engineer
• Peter King - Photography
• Rick Nowels - Drum Programming, Guitar (Acoustic), Guitar (Electric), Keyboards, Percussion, Producer
• Rob Kinelski - Assistant Engineer
• Ryan Freeland - Engineer
• Ryan Gilligan - Mixing Assistant
• Ryan Kennedy - Assistant Engineer
• Sandy Brummels - Art Direction
• Sarah Collins - Vocals (Background)
• Sean Hurley - Bass
• Shari Sutcliffe - Contractor, Project Coordinator
• Steve Patrick - Horn
• Tim Pierce - Guitar, Guitar (Electric)
• Tom Syrowski - Assistant Engineer
• Victor Indrizzo - Drums
• Will Gramling - Keyboards
• William Paden Hensley - Mixing Assistant