• 
  Dominic Catrambone

  Micro-Ice (as J. Scott Thompson)
• 
  Malcolm Douglas

  (52 episodes, 2006-2008)
• 
  Roger Gregg

  (52 episodes, 2006-2008)
• 
  Morgan C. Jones

  (26 episodes, 2008)
• 
  Doireann Ní Chorragáin

  (52 episodes, 2006-2008)
• 
  Mario Rosenstock

  (26 episodes, 2008)
• 
  Jonathan Ryan

  Aarch
• 
  Susan Slott

  (52 episodes, 2006-2008)

• 
  Caitríona Ní Mhurchú

  (52 episodes, 2006-2008)
• 
  Gavin O'Connor

  (52 episodes, 2006-2008)
• 
  Anthony Royer

  Micro-ice
• 
  Michael Ford-FitzGerald

  (52 episodes, 2006-2008)
• 
  Anne Byrne

  (52 episodes, 2006-2008)
• 
  Dermot Magennis

  (52 episodes, 2006-2008)
• 
  Lara Lenehan

  (52 episodes, 2006-2008)

• 
  J. Scott Thompson

  (26 episodes, 2008)