UK Chart Position: 1

Bruce Dickinson – vocals
Dave Murray – guitars
Adrian Smith – guitars, synthesiser
Steve Harris – bass, string synthesiser
Nicko McBrain – drums

Martin "Disappearing Armchair" Birch – producer, engineer, mixing, tape operator
Stephane Wissner – engineer, assistant engineer
Bernd Maier – engineer, assistant engineer
George Marino – mastering engineer
Derek Riggs – sleeve illustrations
Ross Halfin – photography
Rod Smallwood – management, sleeve concept
Andy Taylor – management
Hugh Gilmour – reissue design (1998 edition)