This movie and Poco... Little Dog Lost (1977) were the final theatrical feature films of actor Chill Wills who played Colonel Clayton T. Winkle in 'Mr. Billion'.
Final theatrical feature film of actor William Redfield who played Leopold Lacy. He sadly passed away from leukemia about a month after filming was completed.
With this picture Italian movie studio mogul Dino De Laurentiis wanted to introduce Italian movie star Terence Hill to international audiences.