Adapted from the album booklet.
Panic! at the Disco •
Brendon Urie – vocals, guitar, bass, keyboards, drums on all songs except "Hallelujah", background vocals on "Hallelujah", creative and art direction
Additional musicians and production •
Rob Mathes – horn arrangement, conductor, piano on "Impossible Year" • Andy Snitzer – tenor saxophone • Dave Mann – tenor saxophone •
Aaron Heick – alto saxophone • Dave Riekenberg –
baritone saxophone •
Mike Davis –
tenor trombone • Randy Andos –
bass trombone • Jeff Kievit – trumpet • Tony Kadleck – trumpet on "Death of a Bachelor", "Crazy=Genius", "LA Devotee", "Golden Days" and "Impossible Year";
flugelhorn • Dylan Schwab – trumpet on "Victorious", "The Good, the Bad and the Dirty" and "House of Memories" •
White Sea – background vocals on "Victorious", "Hallelujah", additional production on "LA Devotee" and "House of Memories" • Mark Stepro – drums on "Hallelujah" • Nicole Guice – creative and art direction • Zack Cloud Hall – cover photography •
Shervin Lainez – portrait photography • The Visual Strategist – layout •
Jake Sinclair – producer on all tracks, background vocals on "Victorious", "Hallelujah" •
JR Rotem – producer on "Don't Threaten Me with a Good Time" • Imad Royal – producer on "Hallelujah" • Suzy Shinn – additional production on "Victorious", "Death of a Bachelor", "Crazy=Genius", "LA Devotee", "Golden Days" and "The Good, the Bad and the Dirty", engineer, background vocals on "Victorious", "Death of a Bachelor", "Crazy=Genius", "LA Devotee", "Golden Days" and "The Good, the Bad and the Dirty" • Claudius Mittendorfer – mixing on all songs except "Hallelujah" •
Michael Brauer – mixing on "Hallelujah" • Pete Lyman – mastering on all songs except "Hallelujah" •
Joe LaPorta – mastering on "Hallelujah" ==Charts==