• 
  Patrick Scott

   Announcer / ... (11 episodes, 2013)
• 
  Crystal Dilworth

   Star (12 episodes, 2013)
• 
  Mike Fuerstinger

   Lab tech (11 episodes, 2013)
• 
  Becca Scott

   Katie (11 episodes, 2013)
• 
  Michael Lange

   Head lab tech (11 episodes, 2013)
• 
  Baxley Andresen

   Lab tech (5 episodes, 2013)
• 
  Felicia Kelley

   Tap dancing lab tech (12 episodes, 2013)
• 
  Tim Deal

   Lab tech (11 episodes, 2013)

• 
  Clifford Johnson

  Self
• 
  Gita R. Kolluru

  Self
• 
  Christopher A. Schmitt

  Self
• 
  Betsy Chan

  Self
• 
  Austin Gall

  Jumper
• 
  Theodore Garland Jr.

  Self - Guest
• 
  Heather Horstmann

  Self

• 
  Kean Levreault

  Self
• 
  Kimberly Madison

  Self
• 
  Mirna Rae

  Self
• 
  Adam Steltzner

  Self