Niezlomny Wiking was released in the year 1954。Niezlomny Wiking is also called as Prince Valiant, Pr, Principe coraggioso, Prince Vaillant, Príncipe valiente, Príncipe Valente, Prinz Eisenherz, Prins Valiant。

Niezlomny Wiking actors and actresses include Debra Paget, Janet Leigh, Sterling Hayden。