• 
  Amy Shiels

   Luna
• 
  Javone Prince

   Ashley
• 
  Mikey Bharj

   Mr. Swartz
• 
  Kelli White

   Trisha
• 
  Tom Hardy

  Herbert Maloney
• 
  Doña Croll

   Gran (1 episode, 2016)
• 
  David Whitney

   Fritz (1 episode, 2016)
• 
  Talitha Luke-Eardley

   Humper (1 episode, 2016)

• 
  Alex Humes

   Von Schlanger (1 episode, 2016)
• 
  Tom Davis

   Hayes (1 episode, 2016)
• 
  Ram Kara

   Jayjay (1 episode, 2016)
• 
  Sara Novak

   Various (1 episode, 2016)
• 
  David McClelland

   Taxi driver (1 episode, 2017)
• 
  Tony Way

   Library Troll (1 episode, 2017)
• 
  Kayvan Novak

   Bear / ... (1 episode, 2017)

• 
  Liam Hourican

   Creepy Craig (1 episode, 2017)
• 
  Jarred Christmas

   Mr. Cannibal (1 episode, 2017)
• 
  Charlotte Riley

   Ziggy (1 episode, 2017)
• 
  Ines De Clercq

   Zombie Detective (1 episode, 2017)
• 
  Steven Bakur

   Bobby Bustanut (1 episode, 2017)
• 
  Patrick Isherwood

   Ziggy's dad (1 episode, 2017)
• 
  Jamie Stockwell

   Guard (1 episode, 2017)
• 
  Nina Aimer Fox

  1 episode, 2017
• 
  Arthur Darvill

  1 episode, 2017
• 
  Alex Fung

  1 episode, 2017