Chick Corea – acoustic piano (A1–B3); Fender Rhodes electric piano (A6); ARP Odyssey, Minimoog, Polymoog, Moog Model 15 modular, Moog Sample & Hold, Oberheim 8-voice synthesizers (A1, A6); MXR Digital Delay, Eventide Harmonizer (A1); marimba (A1, B2); finger cymbals (A5, B2); African shaker, cowbell, arrangements, producer
Joe Farrell – tenor saxophone (A4, A6); flute (A3, A5, A6, B2, B3), concert flute (B2)
Herbie Hancock – Fender Rhodes electric piano ((B3))
Jamie Faunt – double bass (A3, A5, B1)
Eddie Gómez – double bass (A4, A6, B2, B3)
Steve Gadd – drums (A4, A6, B2, B3)
Harvey Mason – drums (A3, A5)
Gayle Moran – vocals (A3, A6, B1–B3)