- Ray Gillen (Black Sabbath, Blue Murder, Badlands) / lead vocals (1, 7-9)
- Glenn Hughes (Trapeze, Deep Purple, Black Sabbath) / lead vocals (2, 4, 6)
- John Wetton (King Crimson, U.K., Asia) / lead vocals (3)
- Max Bacon (Nightwing, Bronz, GTR) / lead vocals (5, 10)
- Kyoji Yamamoto (Bow Wow/Vow Wow) / guitars (1, 4-7)
- Mel Galley (Trapeze, Whitesnake) / guitars (2-3, 5-10)
- Scott Gorham (Thin Lizzy, 21 Guns, Black Star Riders) / guitars (3)
- Big John Thomas (Budgie) / guitars (8)
- Neil Murray (Colosseum II, Whitesnake, Gary Moore, Black Sabbath) / bass guitar (1-10)
- Michael Sturgis (21 Guns, Asia, Psycho Motel) / drums (1-5, 7-8, 10)
- Toshihiro Niimi (Bow Wow/Vow Wow) / drums (6, 9)
- Leif Johansson (Far Corporation, 21 Guns) / keyboards (1-10)