• 
  Ian Somerhalder

  Nick
• 
  Jane Alexander

  Dr. May Foster
• 
  Katharine Towne

  Mason
• 
  Michelle Borth

  Jaime
• 
  Morgan Kelly

  Gil (1 episode, 2007)
• 
  Tim DeKay

  David (10 episodes, 2007)
• 
  Kate Trotter

  Lauren (3 episodes, 2007)
• 
  Briony Glassco

• 
  Ashley Head

  Hair Fairy (1 episode, 2007)
• 
  Sherry Stringfield

  Rita (6 episodes, 2007)
• 
  David Shatraw

  Dan (3 episodes, 2007)
• 
  Callard Harris

  Gil (1 episode, 2007)
• 
  Aislinn Paul

  Isabella (10 episodes, 2007)
• 
  Rhys Coiro
• 
  David Monahan

  Alex (1 episode, 2007)

• 
  Jim Jansen
• 
  Kevin Brief

  Sclub (2 episodes, 2007)
• 
  Sewell Whitney

  Co-Worker (1 episode, 2007)
• 
  Adam Scott

  Palek (10 episodes, 2007)
• 
  Christine Elise

  Doctor (3 episodes, 2007)
• 
  Maurice Godin
• 
  Ally Walker

  Katie (10 episodes, 2007)
• 
  Whitney Cummings

  Louise (3 episodes, 2007)
• 
  Kyle Searles

  Guy (1 episode, 2007)
• 
  David Pearl

  Diner-Bar Patron (1 episode, 2007)
• 
  Anne Ramsay

  Sally (2 episodes, 2007)
• 
  Sonya Walger

  Carolyn (10 episodes, 2007)
• 
  Rosalind Chao

  Cynthia (2 episodes, 2007)
• 
  David Selby

  Arthur Foster (9 episodes, 2007)
• 
  Susan Ruttan
• 
  Jeremy London

  Nate (3 episodes, 2007)
• 
  Connie Sawyer
• 
  Peggy Dunne

  Paula (1 episode, 2007)
• 
  Siena Goines
• 
  Joshua LeBar
• 
  Eve Sigall
• 
  Fred Koehler
• 
  Lyle Kanouse

  Uncle Ron (1 episode, 2007)
• 
  Bob Morrisey

  Doctor (1 episode, 2007)
• 
  Luke Kirby

  Hugo (8 episodes, 2007)
• 
  Brandon Barash

  Frank (1 episode, 2007)
• 
  Sticky Fingaz

  Terrance (1 episode, 2007)
• 
  Jeremy Jordan

  Nate (1 episode, 2007)
• 
  Christina Cabot

  Saleswoman (1 episode, 2007)
• 
  Josh Folan

   Himself (9 episodes, 2007)
• 
  Ryan Wynott

  Joshua Walker
• 
  Ginger Kroll

   Herself (9 episodes, 2007)