User blog comment:Sinbad765/High School DxD New English Voice Actors for new characters/@comment-213.120.234.154-20140909140833

Irina Shidou - Brina Palencina or Tia Cresswell

Xenovia - Caitlin Glass

Gasper Vladi - Aaron Dismuke

Azazel - Travis Willingham

Albion - Sean Schemmel

Vali Lucifer - Vic Mignogna

Kokabiel - Clancy Brown

Lord Gremory - Christopher R. Sabat

Michael - Roger Craig Smith

Not sure about the others