• 
  Jeremy Childs

  Yansa Whittcomb
• 
  Ryan Wotherspoon

  Matthew Fogg
• 
  Hayden Wyatt

  Maggie
• 
  Jessejames Locorriere

  Robert Winchester
• 
  Wynn Reichert

  Lab Tech 1
• 
  David Chattam

  Kurt
• 
  Rodney Pickel

  Dr. James O'Shea
• 
  Henry Haggard

  Newt Cranston

• 
  Sarah Shoemaker

  Sarah O'Shea
• 
  Darla Perez

  Stacey (as Darla Pelton-Perez)
• 
  Stefani Paige

  Shannon
• 
  Landry Butler

  Dr. Abraham Prince
• 
  Erik Dail

  Poindexter
• 
  Jamie Eick

  Joanie
• 
  Samantha Huskey

  Mother

• 
  Susannah Devereux

  Dr. Jean Ebert