Currently available on 2 streaming services.

Streaming, rent, or buy Sound! Euphonium – Season 3:

You are able to buy "Sound! Euphonium - Season 3" on Apple TV, Amazon Video as download.

Cast

Tomoyo Kurosawa
Kumiko Oumae (voice)
Chika Anzai
Reina Kousaka (voice)
Ayaka Asai
Hazuki Katou (voice)
Moe Toyota
Sapphire 'Midori' Kawashima (voice)
Haruka Tomatsu
Mayu Kuroe (voice)