| Knights Call (CD, Album, Digipak) | Steamhammer | SPV 285090 CD | Europe | 2018 | |
| Knights Call (2×LP, Album, Red with Black Marble, CD, Album) | Steamhammer, SPV | SPV 285091 2LP | Europe | 2018 | |
| Knights Call (CD, Album) | Steamhammer, SPV, Soyuz Music | SPV 285092 CD | Russia | 2018 | |
| Knights Call (CD, Album, Unofficial Release) | Steamhammer (2), SPV (2) | SPV 285090 CD | Russia | 2018 | |
| Knights Call (Box Set, Limited Edition, LP, Album, Red with Black Marble, CD, Limited Edition) | Steamhammer, SPV | SPV 285099 Box | Europe | 2018 | |
Bass – - Volker Krawczak
Booklet Editor – - Kai Hoffmann
Choir – - Chris Strieder , - Christina Pell , - Horst Fleckhaus , - Martin Rennkamp , - Pamela Falcon , - Rüdiger König , - Thomas Harry Weinkauf
Co-producer – - Charlie Bauerfeind
Cover – - Martin McKenna (2)
Drums – - Bobby Rondinelli
Engineer – - Charlie Bauerfeind
Guitar – - Axel Rudi Pell (2)
Keyboards – - Ferdy Doernberg
Lyrics By – - Axel Rudi Pell (2)
Mastered By – - Darcy Proper
Mixed By – - Charlie Bauerfeind
Music By – - Axel Rudi Pell (2)
Photography By – - Julia Scheibeck
Producer – - Axel Rudi Pell (2)
Vocals – - Johnny Gioeli
Phonographic Copyright Steamhammer
Copyright Steamhammer
Distributed By SPV GmbH
Recorded At Twilight Hall Studios
Recorded At The Box 6
Mastered At Wisseloord Studios
Mixed At Twilight Hall Studios
Published By Musik Edition Discoton GmbH
Published By Universal Music Publishing GmbH