UK Chart Position: 3
Bruce Dickinson – vocals
Dave Murray – guitars
Adrian Smith – guitars
Steve Harris – bass
Nicko McBrain – drums

Martin "Black Night" Birch – producer, engineer, mixing
Frank Gibson – assistant engineer
Denis Haliburton – assistant engineer
Bruce Buchhalter – assistant mixing engineer
Derek Riggs – sleeve illustration, sleeve design, sleeve concept
Simon Fowler – photography
Keith Peacock – art continuation
Rod Smallwood – management, sleeve design, sleeve concept
Andy Taylor – management
George Marino at Sterling Sound – Original US LP mastering
Utopia Studios, London UK – Original UK LP mastering
Simon Heyworth – remastering (1998 edition)
Ross Halfin – photography (1998 edition)
Robert Ellis – photography (1998 edition)