Some of them were already known since they had a role in the 1st season and 2nd OVA, but more seiyuu for Bishamon’s shinki:

• Nishiyama Koutarou as Suzuha
  
• Ozawa Ari as Tsuguha
  
• Takao Yuki as Mineha
  
• Satou Kanami as Kinuha
  
• Akesaka Satomi as Kazuha and Karuha
  
• Higashiuchi Mariko as Yugiha
  
• Takahashi Shinya as Akiha