Kimi ni Todoke is one of my favorite shoujo manga, and the anime is shaping up well, too. Here is a table showing the main characters and their voice actors, with info about the voice actors. Click here or on the image to go to the full table.
This is a star-studded cast, with Noto Mamiko and Namikawa Daisuke leading, but the outstanding pair of Sanpei Yuuko (Nakiami in Xamdo) and Sawashiro Miyuki (Cal in Phantom) as secondary characters along with Nakamura Yuuichi (Alto in Macross 7).
Hirano Aya's character may not show up for a while, but she is featured in the official site's short character list, so here she is, with an image from the manga.
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