Japanese names are done in the Western format, first then last name. If you have a good reason I should switch it, I'm open. I did it this way because it's how I remember them best.

Timothy Bateson

Nationality: Unknown Infamous Role: The Worm in Labyrinth Films/Role: The Worm in Labyrinth!

Megumi Hayashibara

Nationality: Japanese Americans might know: Faye/Cowboy Bebop Roles: Pai/3x3 Eyes, Tira Misu/Bakaretsu Hunters, Momiji/Blue Seed, Rei/Evangelion, Kitty/Hello Kitty, Musashi (Ash)/Pokemon, Ranma/Ranma 1/2, Lina/Slayers, Ai/Video Girl Ai and more.

Midorikawa Hikaru

Nationality: Japanese Americans might know: Fiore and Ail/Sailor Moon Roles: Yoshito/GTO, Heero/Gundam Wing, Tamahome/Fushigi Yuugi, Ryuhou/Scryed, Shuldich/Weiss Kreuz, Zelgadis/Slayers, Kaiba/Yu Gi Oh, and more. Bonus: He's really a very interesting and cool person (I saw him at a panel at Otakon 2001).

Aya Hisakawa

Nationality: Japanese Americans might know: Sailor Mercury/Sailor Moon Roles: Souma Yuki/Fruits Basket, Kero-chan/Card Captor Sakura, Skuld/Ah! My Goddess, Maki (Crimson Shooting Star)/Geobreeders, and more.

Shinichirou Miki

Nationality: Japanese Americans might know: Kojiro (James)/Pokemon Roles: Kurz Weber/Full Metal Panic, Keisuke/Fushigi Yuugi, Hidero/Great Teacher Onizuka, Takumi/Initial D, Allen/Escaflowne, Youji/Weiss Kreuz, Lava/Vampire Princess Miyu, and more.

Megumi Ogata

Nationality: Japanese Americans might know: Shinji/Evangelion Roles: Yukito/Card Captor Sakura, Sizer/Violinist of Hameln, Princess Emeraude/Magic Knights Rayearth, Sailor Uranus/Sailor Moon, Kurama/Yu Yu Hakusho and more.

Nozomu Sasaki

Nationality: Japanese Americans might know: Yusuke/Yu Yu Hakusho Roles: Eriole/Card Captor Sakura, Guru Clef/Magic Knights Rayearth, Shin/Samurai Troopers, Sasaki Sugura/Combat Unit Shinesman, Nagi/Weiss Kreuz, Enishi/Ruroni Kenshin OAVs, and more.

Tomokazu Seki

Nationality: Japanese Americans might know: Touji/Evangelion Roles: Hideka Ken/Weiss Kreuz, Chichiri/Fushigi Yuugi, Van Fanel/Escaflowne, Touya/Card Captor Sakura, and many more.

Toshihiko Seki

Nationality: Japanese Americans might know: Duo/Gundam Wing Roles: Sid/Final Fantasy Unlimited, Shinobu/Here Is Greenwood, Mousse/Ranma 1/2, Seki Shujin/Combat Unit Shinesman, Legato/Trigun.

Satsuki Yukino

Nationality: Japanese Americans might know: Kagome/InuYasha Roles: Chidori/Full Metal Panic, Tamayo/Angelic Layer, Mutsumi/Love Hina, Milly/Trigun.

Coming Soon: I'll probably cave and put Koyasu Takehito on here, and Uotani from Fruits Basket. Otherwise, I'm just going to rest from the excertion of putting this one together. Oh! And E.T.

Information and images on Japanese Seiyuu mostly gleaned from The Seiyuu Database