Birdy the Mighty/Trivia
- FUNimation licensed the television series, while Central Park Media originally licensed the OVA.
- Hey, It's That Voice!
- Birdy was voiced by Kotono Mitsuishi in the OVA and by Saeko Chiba in Deocde. Luci Christian was cast as her voice in the English dub of Decode.
- Tsutomu was voiced Tetsuya Iwanaga in the OVA and by Miyu Irino in Decode. Micah Solusod is his voice in the English dub of Decode.
- Akio Ohtsuka voiced Gomez in the OVA. In Decode, Gomez was vocied by Unsho Ishizuka.
- Masaya Matsukaze voiced Nataru in the Japanese version of Decode. In English, Nataru is Eric Vale.
- F-ing NORIO WAKAMOTO as Skeletsuo. Minor role, but still, IT'S HIM!!
- And Skeletsuo's English dub VA is Christopher Sabat.
- Christella Revi in the English dub of Decode is Monica Rial.
- Natsumi was voiced by Yukana in the OVA, Kanae Ito in in the Japanese dub of Decode, and Cherami Leigh is the English dub of Decode.
- Sayaka was voiced by Maaya Sakamoto in the Japanese dub of Decode and by Brina Palencia in the English dub version.