Who is the Japanese voice actor for Atharv?

The Japanese voice actor for Atharv is Kouki Uchiyama.

Which anime is Atharv from?

Atharv appears in Kidou Senshi Gundam: GQuuuuuuX.

In Kidou Senshi Gundam: GQuuuuuuX, Atharv is listed as a supporting character.

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A lieutenant junior grade of Principality of Zeon forces. He is the right-hand man of Kycilia. (Source: Official site)

Kidou Senshi Gundam: GQuuuuuuX

Kouki Uchiyama

Japanese

Isaac Robinson-Smith

English

Maxime Donnay

French

Jacopo Castagna

Italian

Bruno Marçal

Portuguese (BR)

Luis Flores

Spanish