Band

• Katy Perry – vocals, guitar
• Adam Marcello – musical director, drums, vocals
• Patrick Matera – guitar, backing vocals
• Joshua Moreau – bass
• Korel Tunador – guitar, piano, Wurlitzer, pump organ, toy piano, saxophone, bells, finger cymbals, vocals

Strings

• Daniel Cho – cello
• Surai Nesrine Balbeisi – viola
• K Ishibashi – violin
• Beth Meyers – violin
• Deborah Lurie – arrangement on "Thinking of You"
• Daniel Cho – arrangement on "Hackensack"
• Chris Garcia – additional vocal production

Horns

• David Luther – tenor sax, Wurlitzer
• Kenny Rampton – trumpet

Crew

• Julia Ervin – tour manager
• Fern Alvarez – production manager
• Kim Hilton – tour coordinator
• Angela Hudson – tour assistant
• Bobby Sepulveda – stage manager
• Ryan Johnson – monitor engineer
• Steve Luna – guitar tech
• Todd Delano – make-up
• Aaron Light – hair
• Johnny Wujek – stylist
• Josh Leibman – stylist assistant