K-Drama 
Isahaya Kosaku
- Name: Isahaya Kosaku
- Native name: 諫早幸作
- Also Known as: イサハヤ コウサク, いさはや こうさく
- Nationality: Japanese
- Gender: Male
- Born: November 19, 1994
- Age: 31
Drama
| Title | Rating |
|---|---|
Wakako Zake Season 8
Japanese Drama, 2025, 12 eps
[Clerk] (Ep. 5)
(Guest Role)
|
8.3
|
Solo Katsu Joshi no Susume Season 3
Japanese Drama, 2023, 12 eps
Kuramoto (Ep. 12)
(Guest Role)
|
7.5
|
Inori no Karute
Japanese Drama, 2022, 10 eps
Mukai [Nurse] (Ep. 7)
(Guest Role)
|
7.7
|
Waru
Japanese Drama, 2022, 10 eps
[HR department staff] (Ep. 1-2)
(Guest Role)
|
7.9
|
Solo Katsu Joshi no Susume 2
Japanese Drama, 2022, 8 eps
[Staff] (Ep. 5)
(Guest Role)
|
7.6
|
Grite
Japanese Drama, 2020, 120 eps
Inoue Akira [Student at Tokyo Imperical Music school]
(Support Role)
|
7.9
|
Sign
Japanese Drama, 2019, 9 eps
(Ep. 3)
(Guest Role)
|
7.3
|
Médica Legista Asagao
Japanese Drama, 2019, 11 eps
Sano [Kunie Construction employee] (Ep. 11)
(Guest Role)
|
7.8
|
Uma vida: Um Ente Querido!
Japanese Drama, 2017, 10 eps
(Support Role)
|
7.6
|
Movie
| Title | Rating |
|---|---|
The Deepest Space in Us
Japanese Movie, 2025,
(Support Role)
|
0.0
|
Almost People
Japanese Movie, 2023,
Hoshi
(Support Role)
|
0.0
|
Special
| Title | Rating |
|---|---|
Keibuho Usui Koichi - Mind
Japanese Special, 2018, 1 eps
Sawanobori Takumi
(Guest Role)
|
7.4
|
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