- Hey, It's That Voice!: Blade is Takehito Koyasu. Eve is Eri Kitamura (Seira, Rin Kokonoe), Cruz is Aya Endo (Miyuki Takara, Itsuki Kannagi), Gido is Kenji Utsumi (RAOH!), Teruyama is Kentarō Itō (Renji Abarai), Disc is Emiri Katou (Kagami Hiiragi), Seto is Kaori Fukuhara (Tsukasa Hiiragi), and Kuchinashi (when speaking) is voiced by Minori Chihara. Spoilered because of what happens at ep 14.
- For those looking specifically at Cruz, Disc, and Seto's seiyu, no, Aya Hirano is not doing anyone in Needless.
- In the English dub, Adam is Andrew Love (Soichiro Takagi), Eve is Brittney Karbowski (Himeko Katagiri), Cruz is Luci Christian (Koyuki Azumaya), Teruyama is Rob Mungle (Pedro), Disc is Serena Varghese (Yun Yun), Setsuna is Jessica Boone (Chiyo-chan), and Mio is Hilary Haag (Teletha Testarossa).
- Otaku O'Clock