Artist: Halsey - Producer: Jon Bellion - Producer: Louis Bell - Producer: Ojivolta - Producer: The Monsters & Strangerz - Mix Engineer: John Hanes - Mixer: Serban Ghenea - Vocals: Halsey - Background Vocalist: Amy Allen - Guitar: Amy Allen - Keyboards: Jon Bellion - Programming: Jon Bellion - Keyboards: Louis Bell - Programming: Louis Bell - Guitar: Mark Williams - Keyboards: Mark Williams - Programming: Mark Williams - Keyboards: The Monsters & Strangerz - Programming: The Monsters & Strangerz - A&R: Jeremy Vuernick - A&R Admin: Ryan Del Vecchio - Mastering Engineer: Chris Gehringer - Assistant Mastering Engineer: Will Quinnell - Engineer: Louis Bell - Engineer: The Monsters & Strangerz - A&R: Aria McKnight - Composer/Author: Amy Allen