If You Liked This Movie....
....try "The Princess and the Pirate", which is a lot like "The Spanish Main" but a comedy (one of my favorites). As I am very familiar with the comedy version, the cast of which also includes Walter Slezak, I really couldn't take this as seriously as I should have.
http://www.imdb.com/title/tt0037193/
"A child of five would understand this. Send someone to fetch a child of five."