Who is Harry Nilsson font here refers to the font used in the poster of Who is Harry Nilsson, which is a documentary movie released in 2010 about the musician Harry Nilsson.
The font used for the movie title in the poster is probably Cooper Black, a chubby typeface with rounded serifs and titled back ovals designed by Oswald Bruce Cooper in 1919. The font is a commercial one and details about it can be found here.
Download Cooper Black Font
The Cooper Black font identified above is not available for free, please follow the link above and purchase a font license to download and use the font. Meanwhile, you can take a look at our collection of fonts for cars, pop music and apparel as well as round-ups of new & fresh fonts around the web.