Rica Matsumoto plays as Satoshi (voice) in Pokémon.
Rica Matsumoto is the top #1 member of the cast and appears in 1228 episodes.

Shin'ichirō Miki is a Japanese voice actor affiliated with 81 Produce and most known for his role as Kojiro (James) in Pokémon. Miki is also a singer with the four-man band Weiß, along with Takehito Koyasu, Tomokazu Seki, and Hiro Yūki, the four main voice actors of Weiß Kreuz. Miki is also very active in BL dramas. He won Best Actors in supporting roles in the 4th Seiyu Awards. He often gets cast as handsome, young men in anime roles.

Shin-ichiro Miki plays as Kojirou (voice) in Pokémon.
Shin-ichiro Miki is the top #2 member of the cast and appears in 1087 episodes.

Megumi Hayashibara (林原 めぐみ, Hayashibara Megumi, born March 30, 1967) is a Japanese voice actress, singer, radio personality, and lyricist from Tokyo. She is currently affiliated with Aksent. Her nicknames include: Megu-san, Megu-nee, Bara-san, Kakka, and Daijin. She is best known for her roles in Ranma ½ (as Ranma Saotome (female voice)), Neon Genesis Evangelion (as Rei Ayanami), Cowboy Bebop (as Faye Valentine), Slayers (as Lina Inverse), Detective Conan (as Ai Haibara), Pokémon (as Musashi/Jessie of Team Rocket), All Purpose Cultural Catgirl Nuku Nuku (as Atsuko Natsume and her counterpart Atsuko Higuchi from the OVA Nuku Nuku Dash!) and Shaman King (as Anna Kyoyama). She is also a fully qualified and registered nurse.

Megumi Hayashibara plays as Musashi (voice) in Pokémon.
Megumi Hayashibara is the top #3 member of the cast and appears in 1087 episodes.

Inuko Inuyama (犬 山 イ ヌ コ), pseudonym of Chie Tozuka (戸 塚 千 絵) (Tokyo, December 16, 1965) is a Japanese voice actress. Mainly known for the role of Meowth in the original Japanese version of the Pocket Monsters anime. He also voiced the characters of Manta Oyamada in Shaman King and Kurumizawa in Tokyo Godfathers. From Wikipedia (it), the free encyclopedia

Inuko Inuyama plays as Meowth (voice) in Pokémon.
Inuko Inuyama is the top #4 member of the cast and appears in 1087 episodes.

Ikue Otani is a Japanese voice actress and singer, most famous for providing the voice of Pikachu in Pokémon. She took pregnancy leave from her work from January to May 2006, but her voice credit for Pikachu did not change, as her voice has been recorded many times.

Ikue Otani plays as Tony Tony Chopper (voice) in Pokémon.
Ikue Otani is the top #5 member of the cast and appears in 973 episodes.

Yuji Ueda is a Japanese voice actor.

Yûji Ueda plays as Takeshi (voice) in Pokémon.
Yûji Ueda is the top #6 member of the cast and appears in 711 episodes.

Mayumi Iizuka is a Japanese voice actress.

Mayumi Iizuka plays as Kasumi (voice) in Pokémon.
Mayumi Iizuka is the top #7 member of the cast and appears in 330 episodes.

Megumi Toyoguchi plays as Hikari (voice) in Pokémon.
Megumi Toyoguchi is the top #8 member of the cast and appears in 236 episodes.

Yuuko Kobayashi plays as Shigeru Oak (voice) in Pokémon.
Yuuko Kobayashi is the top #9 member of the cast and appears in 222 episodes.

KAORI (川菜翠, born 28 February 1976) is a Japanese voice actress, and singer from Yokohama, Kanagawa. Before January 2001, she was known as Midori Kawana (川菜翠, Kawana Midori) and Akiko Kawana (川菜明子, Kawana Akiko). "KAORI" is a portmanteau of her real name, Ka-wana Mid-ori. She is a member of the rock band SpunkyStrider. In various dub versions of Pokémon: Jirachi Wishmaker, her singing voice was used when her character sang a lullaby. From Wikipedia, the free encyclopedia

KAORI plays as Haruka (voice) in Pokémon.
KAORI is the top #10 member of the cast and appears in 190 episodes.