The film follows a traditional quest structure centered on a male hero and a romantic interest. There is no evidence of non-cisnormative identities or same-sex intimacy.

Sigfrid provides a female presence as a Viking princess. However, the narrative remains driven by the male protagonist, Captain Thunder, within a standard period hierarchy.

The Crusades setting allows for ethnic variety, including Middle Eastern and European characters. However, the use of 'black devils' as antagonists may lean into historical tropes of othering.

The story is deeply rooted in Christian iconography and Western historical tradition. It reinforces nationalistic motifs through the mission to restore the Holy Grail to Spain.

The available narrative details do not mention any visible or invisible disabilities as part of the character arcs or plot.