For the U.S. version, it's not Broderick Crawford's voice, but a voice actor impersonating him.
Originally titled "Hercule's Revenge", but since Universal owned the rights to Hercules at the time, the title was changed and the name of the main character was changed to Goliath.
This film is listed among the 100 Most Enjoyably Bad Movies Ever Made in Golden Raspberry Award founder John Wilson's book THE OFFICIAL RAZZIE® MOVIE GUIDE.