• 
  Caleb Alexander Cohen

   Aubrey Gribanow / ... (2 episodes, 2009-2010)
• 
  David Butler

   Himself (2 episodes, 2010)
• 
  Franco Barberis

   Radiologist (2 episodes, 2009-2010)
• 
  Lucy Doty

  Doctor
• 
  Dave Wittenberg

  Narator
• 
  Elizabeth Maxwell

  Nurse
• 
  Chris Harper

  Karl
• 
  Craig Tsuyumine

  Doctor

• 
  David Mapother

   David Gribanow (2 episodes, 2009-2010)
• 
  Chris Pentzell

   Family Doctor (2 episodes, 2009-2010)
• 
  Brian Graham

   George (2 episodes, 2009-2010)
• 
  J Michael Briggs

   Nurse (2 episodes, 2009)
• 
  Emmanuel Ondrick

   Generl Surgeon / ... (2 episodes, 2009-2010)
• 
  Amelie Forrest

   Ann-Marie Gribanow / ... (2 episodes, 2009-2010)
• 
  Michael A. Templeton

   Fireman John Thigpen / ... (2 episodes, 2009-2010)

• 
  Sunday Boling

  casting director
• 
  Meg Morman

  casting director
• 
  Kelly Brewer

  make-up department
• 
  Lucy Doty

  miscellaneous crew
• 
  Scott Enge

  design de producţie