- Steve Winwood: Vocals, keyboards (A1, A2, B1, B4), Hammond organ (A3, B3), moog bass (A4, B3, B4), guitar (A1, A2, B4), mandolin (A4), synth solo (B1, B3, B4), synthesizer (B2, B3), synthesizer piano (A4), synthesizer bass (A3), sequencer (A1-A3, B1, B2), sequencer programming (A1, A2), drum machine programming (A3, B3), composer, producer

- Mickey Curry: Drums
- Carole Steele: Tambourine (A1, A2, B3), percussion (A3, B2, B4), congas (B1)

- Randy Brecker: Trumpet (A1-A3)
- Lewis del Gatto: Baritone and tenor sax (A1-A3)
- Tom Malone: Trombone (A1-A3)
- Bob Mintzer: Tenor sax (A1-A3)
- George Young: Alto sax (A1-A3)
- David Frank: Horn arrangement (A1-A3), synthesizer horn arrangements (B2)
- Joe Walsh: Slide guitar (A3), guitar (B3)
- Eddie Martínez: Rhythm guitar (A3)
- Steve Ferrone: Drums (A3)
- Jimmy Brawlower: Drum machine programming (A3, A4, B1, B3)
- Rob Mounsey: Additional synthesizer (A4), keyboards (B1), synthesizer strings (B4)
- John Robinson: Drums (A4, B1-B3)
- James Taylor: Harmony vocals (A4)
- Paul Pesco: Guitar (B1)
- Dan Hartman: Backing vocals (B1)
- James Ingram: Backing vocals (B1)
- Chaka Khan: Vocals (A1)
- Andrew Thomas: PPG wave term synthesizer programming (B1, B2)
- Robbie Kilgore: Keyboards (B1), synthesizer (B2), synthesizer bell (B4)
- Ira Siegal: Guitar (B2)
- Jocelyn Brown: Backing vocals (B2, B3)
- Connie Harvey: Backing vocals (B2, B3)
- Mark Stephens: Backing vocals (B2, B3)
- Arif Mardin: Synthesizer string arrangement (B4)

- Russ Titelman: Producer
- Tom Lord Alge: Engineer, mixing
- Jason Corsaro: Engineer
- Nobby Clarke: Additional engineer
- Chris Lord Alge: Additional engineer
- Jim Boyer: Additional engineer
- Dave Greenberg: Additional engineer
- Bruce Lampcov: Additional engineer
- Malcolm Pollack: Additional engineer
- John Wolfson: Additional engineer
- Jeff Lord Alge: Assistant engineer
- Claude Achille: Assistant engineer
- Ed Bruder: Assistant engineer
- Sean Chenery: Assistant engineer
- Rob Eaton: Assistant engineer
- John Goldberger: Assistant engineer
- Roy Hendrickson: Assistant engineer
- Scott Mabuchi: Assistant engineer
- Shizuko Orishige: Assistant engineer
- Steve Rinkoff: Assistant engineer

- Unique Recording Studio, New York: Recording studio
- Right Track Recording, New York: Recording studio
- Power Station, New York: Recording studio
- Giant Sound, New York: Recording studio
- Netherturkdonic Studios, Gloucestershire, England: Recording studio
- Sterling Sound, New York: Mastering studio
- Ted Jensen: Mastering

- Viv Stanshall: Composer (B4)
- Will Jennings: Composer (A1, A2, A4. B1, B2)
- Joe Walsh: Composer (B3)
- George Fleming: Composer (A3)
- James Hooker: Composer (A3)