Credits

Mason Williams: A & R, Supervisor
Vinny Appice: Drums
Tony Iommi: Guitar, Producer
Bill Ward: Drums
Dan Hersch: Remastering
Geezer Butler: Bass
Ronnie James Dio: Producer, Vocals
Bill Inglot: Remastering
Dorothy Stefanski: Editorial Supervisor
Martin Birch: Producer, Engineer
Mack : Producer, Engineer
Dave Ling: Liner Notes
Geoff Nicholls: Keyboards
Lee DeCarlo: Engineer
Mark Weiss: Photography
Masaki Koike: Artist Direction, Design
Alessandra Quaranta: Photo Research
Bill Freesh: Engineer
Mike Exeter: Engineer, Mixing
Wes Benscoter: Booklet Artwork, Illustrations
Kris Ahrend: Project Assistant
Steve Woolard: Project Assistant