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Biography
Hiroo Sasaki (佐々木 啓夫, Sasaki Hiroo, born September 9) is a Japanese seiyuu (voice actor) from Akita Prefecture. He is affiliated with 81 Produce. He speaks the Akita dialect. His hobbies and special skills are singing, basketball and boxing.
Filmography17 titles

KONOSUBA - God's blessing on this wonderful world!
2016as Knight (voice)
2016as Knight (voice)

Another
2012as Doctor (voice)
2012as Doctor (voice)

Bunny Drop
2011as Editor (voice)
2011as Editor (voice)

Konosuba!: God's Blessing on This Wonderful World! - Legend of Crimson
2019as Chakamiya (voice)
2019as Chakamiya (voice)

Fate/Zero
2011as Assassin (voice)
2011as Assassin (voice)

Kuroko's Basketball: Last Game
2017as Hiroshi Fukuda (voice)
2017as Hiroshi Fukuda (voice)

A Certain Magical Index
2008as Skill-Out (voice)
2008as Skill-Out (voice)

Mobile Suit Gundam GQuuuuuuX
2025as Tokwan (voice)
2025as Tokwan (voice)

KonoSuba: An Explosion on This Wonderful World!
2023as Chakamiya (voice)
2023as Chakamiya (voice)

Kono Oto Tomare!
2019as Judge (voice)
2019as Judge (voice)

Drifting Dragons
as Lee (voice)
as Lee (voice)

Unnamed Memory
2024as Jarno (voice)
2024as Jarno (voice)

Tokyo Override
as Additional Voices (voice)
as Additional Voices (voice)

YAIBA: Samurai Legend
as Muto (voice)
as Muto (voice)

I'm Standing on a Million Lives
2020as Bandit (voice)
2020as Bandit (voice)

Ingress: The Animation
2018as Hank Johnson (voice)
2018as Hank Johnson (voice)

RErideD – Derrida, who leaps through time –
as Volker Vidaux (voice)
as Volker Vidaux (voice)