For the German dub, Thor was voiced by Christopher Lee. Coincidentally, the films depiction of Odin bears a strong resemblance to his role of Saruman from the Lord of the Rings movies.
With a starting budget of 14,5 million Danish kroner, the project was already the most expensive Danish cartoon. By December 1984, the budget had soared to 22 million kroner, causing turmoil among the production companies.
The Danish newspaper reviews after the premiere were positive towards the creative animation skills of the movie, but critical of an unfocused storyline and lack of personality. They requested value-for-money for the millions spent. The audiences thought slightly differently, the movie selling more than 500,000 tickets in Denmark alone.
To create the opening tracking shot a 6 meter wide illustration was painted.
The first big-scale cartoon project in Denmark.