• 
  Joe Sofranko

  Hal Evans
• 
  Parmer Fuller

   ISTCC Professor / ... (2 episodes, 2014)
• 
  Michael Keenan

   Damien George (5 episodes, 2014)
• 
  Vicki Lewis

   Ashley Spitzer (2 episodes, 2014)
• 
  Laurie O'Brien

   Deborah Hünterschmidt (5 episodes, 2014)
• 
  Jessica Pennington

   Maria (5 episodes, 2014)
• 
  John Rubinstein

  Richard Dallion
• 
  Robert Merrill

  Jonathan Taylor Turner

• 
  Kevin Quinn

   James (5 episodes, 2014)
• 
  Daniel Montgomery

  Loren Dalton
• 
  Chase Williamson

   Oliver Belrose (5 episodes, 2014)
• 
  Todd Estrin

   Fantasy Juggler / ... (2 episodes, 2014)
• 
  Alex Skinner

  Leo Wood
• 
  Jessica Perlman

   Ms. Winston (2 episodes, 2014)
• 
  Jet Jurgensmeyer

   Eight-Year-Old Hal (2 episodes, 2014)

• 
  Lili Fuller

   Pauline Williams (5 episodes, 2014)
• 
  David Edwards

   Mr. Ruskin (2 episodes, 2014)
• 
  Ben Sidell

  Ian Greenblatt
• 
  Lizzie Fabie

   Regan Conrad (5 episodes, 2014)
• 
  Christian Harmon

   Baby Hal (2 episodes, 2014)
• 
  Colin Prunier

   Four-Year-Old Hal (2 episodes, 2014)
• 
  Colin Stackpoole

   Young Hal (2 episodes, 2014)
• 
  Cole Cuomo

   Fantasy Juggler / ... (2 episodes, 2014)