When reading a book, you're allowed to take on the esteemed role of casting director. Guided on by sparse or lengthy character descriptions, your imagination dictates who you think would be perfect for the role, regardless of their availability of salary.
But in the real world, things are different. To examine this, we've coupled the character descriptions of famous literary figures with their on-screen equivalent.
Which do you think work well? And which ones bomb hard? Let us know underneath.
Click on each image to read the original description
(Images: Rex Features, All Star)