• 
  Alberto Lecchi

  regizor

• 
  Walter Slavich

  scenarist

• 
  Paola Krum

  Laura Santini
• 
  Cecilia Roth

  Marina Segal
• 
  Julio Chavez

  Renzo Marquez
• 
  Oscar Ferreiro

  Gálvez (unknown episodes)
• 
  Julio Chávez

  Renzo Márquez (unknown episodes)
• 
  Daniel Hendler

  Gustavo Echeverría (unknown episodes)

• 
  Rafael Ferro
• 
  Alejandro Awada

   Alfonso Velázquez - XL (13 episodes, 2009)
• 
  Antonio Birabent

  Bruno Costas
• 
  Villanueva Cosse

   Marcos Márquez (16 episodes, 2004-2009)
• 
  Daniel Fanego

   Mazzoni (13 episodes, 2009)
• 
  Natalia Lobo

   Gabriela Fridman (13 episodes, 2009)
• 
  Luis Luque

   Comisario Jiménez (13 episodes, 2004)

• 
  Carlos Portaluppi

   Dr. Morini (15 episodes, 2004-2009)
• 
  Leonardo Sbaraglia

   Asesino (13 episodes, 2009)
• 
  Juan Minujin

   Mariano Lagos (13 episodes, 2009)