Acoustic Guitar – George Harrison (tracks: 2), Tom Petty
Art Direction – Awest, Tiny Bouchet
Backing Vocals – George Harrison (tracks: 2), Howie Epstein (tracks: 2 to 3), Jeff Lynne, Roy Orbison (tracks: 12), The Trembling Blenders (tracks: 12), Tom Petty
Bass – Jeff Lynne, Mike Campbell
Drums – Jim Keltner (tracks: 3), Phil Jones
Electric Guitar – Tom Petty
Engineer – Bill Bottrell, Dennis Kirk (tracks: 3), Don Smith, Mike Campbell
Engineer [Assistant] – Alan Weidel
Guitar – Jeff Lynne
Guitar [solos] – Mike Campbell
Handclaps – Alan Weidel (tracks: 6), Jeff Lynne (tracks: 6), Tom Petty (tracks: 6)
Illustration – Awest
Keyboards – Jeff Lynne, Mike Campbell, Tom Petty
Lead Vocals – Tom Petty
Management – Tony Dimitriades
Mandola – Mike Campbell
Maracas – Jim Keltner (tracks: 3)
Mastered By – Steve Hall
Percussion – Phil Jones
Photography By – Aaron Rapoport
Photography By [Back Cover] – Robert Sebree
Piano – Benmont Tench (tracks: 9)
Producer – Jeff Lynne
Producer [With] – Mike Campbell, T.P.
Slide Guitar – Mike Campbell
Tambourine – Jim Keltner (tracks: 3), Tom Petty
Twelve-String Guitar – Tom Petty
Vocals – Kelsey Campbell (tracks: 12)
Acoustic Guitar – George Harrison (tracks: 2), Tom Petty
Art Direction – Awest, Tiny Bouchet
Backing Vocals – George Harrison (tracks: 2), Howie Epstein (tracks: 2 to 3), Jeff Lynne, Roy Orbison (tracks: 12), The Trembling Blenders (tracks: 12), Tom Petty
Bass – Jeff Lynne, Mike Campbell
Drums – Jim Keltner (tracks: 3), Phil Jones
Electric Guitar – Tom Petty
Engineer – Bill Bottrell, Dennis Kirk (tracks: 3), Don Smith, Mike Campbell
Engineer [Assistant] – Alan Weidel
Guitar – Jeff Lynne
Guitar [solos] – Mike Campbell
Handclaps – Alan Weidel (tracks: 6), Jeff Lynne (tracks: 6), Tom Petty (tracks: 6)