Backing Vocals – Bob Seger (tracks: B1), David Lasley (tracks: A1, A3), Diana Graselli (tracks: B5), Joe Pecorino (tracks: B2), Larry Kelly (tracks: A2), Maria Vidal (tracks: B5), Michael Des Barres (tracks: B3), Miriam Naomi Valle (tracks: B5), Mitch Weissman (tracks: B2), Peppy Castro (tracks: B6), Susan Collins (tracks: A1, A3)
Bass – Ace Frehley (tracks: A1, A2, A3), Bill Bodine (tracks: A4, A5, A6), Eric Nelson (tracks: B6), Neil Jason (tracks: B1, B2, B3), Steve Buslowe (tracks: B4, B5)
Drums – Allan Schwartzberg (tracks: B1, B2, B3), Anton Fig (tracks: A1, A2, A3), Craig Krampf (tracks: B6), Peter Criss (tracks: A4, A5, A6), Richie Fontana (tracks: B4, B5)
Guitar – Ace Frehley (tracks: A1, A2, A3), Art Munson (tracks: A4, A5, A6), Bob Kulick (tracks: B4, B5, B6), Elliott Randall (tracks: B1, B2, B3), Gene Simmons (tracks: B1, B2, B3), Jeff Baxter (tracks: B2), Joe Perry (tracks: B1), John Shane Howell (tracks: B1), Paul Stanley (tracks: B4, B5, B6), Rick Nielsen (tracks: B3), Stan Penridge (tracks: A4, A5, A6), Steve Lacey (tracks: B1), Steve Lukather (tracks: A6)
Keyboards – Bill Cuomo (tracks: A4, A5, A6)
Lead Vocals – Ace Frehley (tracks: A1, A2, A3), Peter Criss (tracks: A4, A5, A6)
Percussion – Sean Delaney (tracks: B1, B2, B3)
Piano – Doug Katsaros (tracks: B6), Eric Troyer (tracks: B1)
Saxophone – Mike Carnahan (tracks: A5, A6)
Synthesizer – Ace Frehley (tracks: A1, A2, A3)
Vocals – Bobby McAdams (tracks: A1), Gene Simmons (tracks: B1, B2, B3), Paul Stanley (tracks: B4, B5, B6)