- Alan Armitage - engineer
- Brady Barnett - digital editing
- Kenny Blank - guitar
- Bryan Popin - piano, cello, strings, writer ("Falling")
- Stuart Brawley - engineer, mixing
- BT - Arranger, programming, producer, engineer, mixing
- Christopher Carroll - mixing
- JC Chasez - producer
- J. Valentine - background vocals, writer, producer
- Bradley Daymond - mixing
- Todd Fairall - engineer
- Tony Flores - mixing
- Michael Forbes - engineer
- Richard Fortus - bass guitar, guitar (electric)
- Brian Garten - engineer
- Steven Gerstein - stylist
- Alexander Greggs - mixing
- Paul Gregory - engineer
- Kevin Guarnieri - engineer, digital editing, assistant engineer
- Chris Haggerty - digital editing
- Hampton String Quartet - strings
- Chaz Harper - mastering
- Jean-Marie Horvat - mixing
- Bill Importico - engineer
- Rodney Jerkins - multi instruments, producer
- Joel Kazmi - engineer, assistant vocal engineer
- Scott Kieklak - mixing
- Michael Landau - guitar (electric)
- Michael Lang - piano
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- Kristian Lundin - producer, engineer, mixing
- Brian McKnight - keyboards, producer
- Peter Mokran - mixing
- J. Moss - producer, engineer, rap, mixing
- Dylan Koski-Budabin - engineer
- Pablo Munguia - engineer, assistant engineer
- Jackie Murphy - art direction, design
- Anthony Nance - drum programming
- Esbjörn Öhrwall - guitar
- Paulino Oliveira - assistant engineer
- John O'Mahoney - mixing
- Frankie Payne - hair stylist
- Charles Pollard - programming, engineer, string arrangements
- Rami - producer, engineer, mixing
- Wade Robson - arranger, multi instruments, producer
- Jacob Schulze - producer, engineer, mixing
- Mark Seliger - photography
- Talley Sherwood - engineer
- Mary Ann Souza - assistant engineer
- Rich Tapper - assistant engineer, mixing
- Michael Hart Thompson - guitar (acoustic)
- Justin Timberlake - arranger, multi instruments, producer, beatbox
- Michael Tucker - engineer, assistant engineer, mixing, vocal recording
- Carlos Vazquez - beat programming
- WaWa - chant
- Robin Wiley - producer, digital editing, string arrangements
- Stevie Wonder - harmonica
- Chris Wood - engineer
- Yasu - string engineer
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