The Rum Diary font here refers to the font used in the poster of The Rum Diary, which is a 2011 American movie based on the novel of the same name by Hunter S. Thompson.
Two fonts were used for the movie title in the poster, with “the” in Dogma Script Bold designed by Zuzana Licko and “Rum Diary” in FF Typeface Six designed by Neville Brody. Both are available as commercial typefaces and you can view more details about it here and here respectively.
Download The Rum Diary Font
We are currently unable to find a free alternative or a font similar to the commercial font identified above, and you will need to follow the relevant links above and purchase the font.