• 
  Chris Ayres

   Soma
• 
  Luci Christian

   Alois Trancy (9 episodes, 2010)
• 
  Jason Douglas

   Claude Faustus (10 episodes, 2010)
• 
  Cherami Leigh

   Lady Elisabeth Midford (3 episodes, 2010)
• 
  Bryan Massey

  (3 episodes, 2010)
• 
  Caitlin Glass

   Anna Goodfellows (9 episodes, 2010)
• 
  Brina Palencia

  Ciel Phantomhive
• 
  J. Michael Tatum

  Sebastian Michaelis

• 
  Terri Doty

   Additional Voices (12 episodes, 2010)
• 
  Jason Liebrecht

  9 episodes, 2010-2011
• 
  Monica Rial

  9 episodes, 2010-2011
• 
  Ian Sinclair

  9 episodes, 2010-2011
• 
  Jerry Jewell

  8 episodes, 2010-2011
• 
  Daniel Fredrick

  10 episodes, 2010-2011
• 
  Jessica Cavanagh

  8 episodes, 2010-2011

• 
  R. Bruce Elliott

   Tanaka
• 
  John Gremillion

   Randall / ...
• 
  Chuck Huber

   Ashe
• 
  John Swasey

   Undertaker / ...
• 
  Z. Charles Bolton

   Pluto / ...
• 
  Patrick Seitz

   Agni
• 
  Michael Turner

   Additional Voices
• 
  Barry Yandell

   Will
• 
  Anthony Bowling

   Additional Voices
• 
  Joel McDonald

   Ronald / ...
• 
  Todd Haberkorn

   Druitt
• 
  Scott Freeman

   Canterbury / ...
• 
  Trina Nishimura

   Ranmao
• 
  Jonathan Brooks

   Abberline
• 
  Alexis Tipton

   Additional Voices / ...