Un Mundo Secreto Poster Un Mundo Secreto Amazon » eBay » The film "Un Mundo Secreto" is 87 minute from 2012.. Un Mundo Secreto Details Title: Un Mundo SecretoYear: 2012Duration: 1h 27m Rate this title Have you seen Un Mundo Secreto? Rate it between 1 to 10 below. Log in to your account if you want to rate this title.