Some anime is so good that it makes you forget the characters' voices are just actors! Some actors even do voices for more than one show, including the following original Japanese voice actors.

1. Kamiya Hiroshi (Attack on Titan, Angel Beats!!)
2. Seki Tomokazu (Full Metal Panic!, Fate/Zero, Steins;Gate)
3. Kaito Ishikawa (One Punch Man, Haikyuu!!)
4. Kaji Yuki (Attack on Titan, Noragami)
5. Sugiyama Noriyaki (Naruto, Bleach, Fate/Stay Night)
6. Taneda Risa (Your Lie in April, High School DxD, Food Wars)
7. Suzumura Kenichi (D.Gray-Man, Free!)
8. Ishida Akira (Gundam Seed, Fairy Tail)
9. Kugimiya Rie (Shakugan no Shana, Fairy Tail)
10. Inoue Kazuhiko (Naruto, Fruit Basket)
11. Eguchi Takuya (Yu-Gi-Oh! Zexal, Inazuma Eleven GO 2)
12. Fukuyama Jun (Assassination Classroom, Code Geass)
13. Miyano Mamoru (Death Note, Full Metal Alchemist: Brotherhood, Bungou Stray Dogs, Vampire Night, Gakuen-Alice)
14. Ono Daisuke (Black Butler, Attack on Titan)
15. Suzuki Tatsuhisa (Free! Iwatobi Swim Club, My Little Monster)
16. Koshimizu Ami (Kill la Kill, Sailor Moon Crystal)
17. Satou Satomi (K-On!, Fairy Tail)
18. Ise Mariya (Pokemon XY, Hunter x Hunter)

Kamiya Hiroshi (Attack on Titan, Angel Beats!!)

Like most of the actors on this list, Hiroshi voiced characters in many more animes than the ones listed here. He is famous for his ultimate "cool guy" voice and has voiced in over 75 famous anime shows, including Levi from Attack on Titan (Shingeki no Kyojin).

Seki Tomokazu (Full Metal Panic!, Fate/Zero, Steins;Gate)

Tomokazu has voiced a ton of anime and is known for his youthful, passionate voice. His voice is slow and low-pitched. He is especially good at sounding angry or intense.

Tomokazu's characters include Gilgamesh from every Fate series, Sousuke from Full Metal Panic!, and Itaru Hashida from Steins;Gate.

Kaito Ishikawa (One Punch Man, Haikyuu!!)

Ishikawa's voice is deep and clear. He almost always voices badass characters, ranging from One Punch Man's Genos to Haikyuu's Tobio Kagiyama.

Kaji Yuki (Attack on Titan, Noragami)

Yuki was a singer and is now famous for his voice acting, which sounds young and dashing. However, he is most famous for voicing memorable anime characters like Eren Yeager from Attack on Titan and Yukine from Noragami.

Sugiyama Noriyaki (Naruto, Bleach, Fate/Stay Night)

Noriyaki is one of the most famous anime voice actors and voices a prevalent character in modern mainstream anime, Sasuke from Naruto. He also voices other heroic characters like Uryu from Bleach and Shiro from Fate/Stay Night.

Taneda Risa (Your Lie in April, High School DxD, Shokugeki no Soma)

Risa's voice is so cute, high-pitched, and full of schoolgirl excitement. Her voice makes many of her characters perfect waifus.

Suzumura Kenichi (D-Gray Man, Free!)

Kenichi is famous for his lively, jolly voice. He often plays childlike and happy characters like Lavi in D.Gray-Man and Mikoshiba from Free!

Ishida Akira (Gundam Seed, Fairy Tail)

Akira is great at making his voice sound calm and cool, even when delivering intense monologues. He voices roles such as Athrun in Gundam Seed and Fairy Tail's Zeref.

Kugimiya Rie (Shakugan no Shana, Fairy Tail)

Rie is known for her famous anime roles like the lead Shana from Shakugan no Shana and Happy, the talking cat from Fairy Tail. Her voice is known for being high and nasally but still powerful and feminine.

Inoue Kazuhiko (Naruto, Fruit Basket)

Kazuhiro has voiced over 40 famous anime roles, including Kakashi Hatake from Naruto, Utsugi-sensei (Professor Elm) from Pokemon, and Fruits Basket's Hatori Sohma.

Eguchi Takuya (Yu-Gi-Oh! Zexal, Inazuma Eleven GO 2)

Yakuya is known for his loud, confident, and inspiring voice. He often plays teachers like Amemiya Taiyou in Inazuma Eleven GO 2 or Shuuta Hayami in Yu-Gi-Oh! Zexal.

Fukuyama Jun (Assassination Classroom, Code Geass)

Jun's friendly and powerful voice has a huge range. He has voiced roles from the creepy Koro-Sensei from Assassination Classroom(Ansatsu Kyoushitsu) to Lelouch Lamperouge from Code Geass.

Miyano Mamoru (Death Note, Full Metal Alchemist: Brotherhood, Bungou Stray Dogs, Vampire Night, Gakuen-Alice)

Mamoru's voice is clear and easy to understand, even though he speaks pretty fast. He is most famous for voicing Light in Death Note but has also done over 30 other famous anime voices.

Ono Daisuke (Black Butler, Attack on Titan)

Daisuke is famous for his sexy, sexy voice. This man supplies some of the best when it comes to male waifus, from Sebastian Michaelis in Black Butler (Kuroshitsuji) to Erwin Smith from Attack on Titan.

Suzuki Tatsuhisa (Free! Iwatobi Swim Club, My Little Monster)

Tatsuhisha's voice is low and sultry, although he can give some inspiring monologues when needed. His famous anime roles range from Free! Iwatobi Swim Club's Makoto Tachibana to My Little Monster's Haru Yoshida.

Koshimizu Ami (Kill la Kill, Sailor Moon Crystal)

Ami's voice is feminine but can quickly become fierce and intense. She is famous for voicing many warrior women like Ryuko in Kill la Kill and Sailor Jupiter in Sailor Moon Crystal.

Sato Satomi (K-On!, Fairy Tail)

Satomi has one of the most feminine voices in anime, voicing adorable waifus from Wendy Marvell in Fairy Tail to Ritsu Tainaka in K-On!

Ise Mariya (Pokemon XY, Hunter x Hunter)

Viewers can't get enough of Mariya's very feminine and mysterious voice. She has voiced anime characters like Bonnie (Eureka) in Pokemon XY, Himeno in Chainsaw Man, and Killua Zoldyck in Hunter x Hunter.

Many, many more famous anime voice actors play roles on multiple shows. In general, anime voice crews have more than 100 people! These 18 are some of the ones with the most range, though.

Images from IMDb