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Guido Wieland
as Peter Angelerio von Morrone - später Papst Coelestin V.
Werner Kreindl
as Kardinal Benedetto Caetani - später Papst Bonifaz VIII.
Andrea Dahmen
as Concetta
Ulrich von Dobschütz
as Clemens
Hans Brenner
as Cerbicca
Bruno Dallansky
as Stadtvogt
Karl-Heinz von Hassel
as Militäradjutant des Königs
Reinhard von Hacht
as Joachim
Wilfried Klaus
as Lukas
Jörg Pleva
as Gendarm
Fritz Umgelter
Director
