Audrey Hepburn.
Whenever I read an author use the adjective “elfin,” I think of her. In fact, most descriptions in fantasy novels of Tolkeinesque elves: almond eyes, fair skin, long neck, sharp ears; all seem to be more or less describing Hepburn.
(Source: wearehq.com)
Cyd Charisse. It should be pointed out that seeing her in a still photo is kind of beside the point.
(Source: wikifeet.com)