• 
  Jason Schwartzman

  Arcangelo Corelli / Arcangelo / Kip Whittaker
• 
  Jaden Smith

  Kaz Kaan / Kaz Kahn
• 
  Susan Sarandon
• 
  Kiernan Shipka

  Helenist
• 
  Steve Buscemi

  The Remembrancer
• 
  Jamie Foxx

  Watch Man / Simon Hammerstein
• 
  Tavi Gevinson

   Helena St. Tessero (1 episode, 2017)
• 
  The Kid Mero

   Lexy (1 episode, 2017)

• 
  Desus Nice

   Gottlieb (1 episode, 2017)
• 
  Jude Law

  Charles
• 
  John DiMaggio

  6 episodes, 2017
• 
  Peter Serafinowicz

  6 episodes, 2017
• 
  Richard Ayoade

  3 episodes, 2017
• 
  Alexa Chung

  3 episodes, 2017
• 
  Ray Wise

  Old Man

• 
  Annet Mahendru

  Mila Malevich
• 
  Julian Barratt

  Great Demon
• 
  Rowan Blanchard

  Bergdorf Chan
• 
  Rashida Jones

  Female Announcer