Donna Summer – vocals, background vocals, chorus
Roy Bittan – piano
Michael Boddicker – programming, vocoder, vocoder programming, Polymoog
Don Dorsey – programming, Synclavier, Synclavier programming
Dave Grusin – synthesizer, Fender Rhodes electric piano, rhythm arrangements, synthesizer arrangements
David Foster – synthesizer, arranger, rhythm arrangements, synthesizer arrangements
Quincy Jones – synthesizer, programming, chorus, producer, vocal arrangement, rhythm arrangements
Bill Meyers – synthesizer, rhythm arrangements
David Paich – synthesizer, piano, keyboards, rhythm arrangements, synthesizer arrangements
Greg Phillinganes – synthesizer, chorus, Synclavier, rhythm arrangements, portasound
Steve Porcaro – synthesizer, programming, producer
Steve Lukather – guitar
Bruce Springsteen – guitar, chorus
Michael Sembello – guitar, background vocals, vocal arrangement, rhythm arrangements
Louis Johnson – bass guitar
Larry Bunker, Leon "Ndugu" Chancler, John Robinson, Jeff Porcaro – drums
Harvey Mason – drums, drum arrangements
Paulinho Da Costa – percussion
Joe Porcaro – percussion
Jerry Hey, Gary Grant, & Bill Reichenbach Jr.– horn
Ernie Watts – alto & baritone saxophone
Dara Lynn Bernard, Christopher Cross, Patrick Gene Crotty Jr., Michael Davis, Debbie Green, Michael Jackson, Peggy Lipton Jones, Kenny Loggins, Heather Mason, Michael McDonald, Brenda Russell, Larraine Walton, Dionne Warwick, Lionel Richie, Stevie Wonder, Faith D. Wong, Dyan Cannon – chorus
Bill Champlin, Steve George, Pamela Quinlan, Howard Hewett, Phillip Ingram, Cruz Baca Sembello– background vocals
James Ingram – background vocals, chorus, vocal arrangement, rhythm arrangements
Richard Page – background vocals, vocal arrangement