• 
  Aubrey Plaza

  Mary Wollstonecraft
• 
  Spencer Crittenden

   Spencer Crittenden (3 episodes, 2016)
• 
  Dan Harmon

   Dan Harmon (5 episodes, 2016)
• 
  Jack Black

  Ludwig van Beethoven
• 
  Andy Dick

  John Wilkes Booth
• 
  Ron Funches

  Idi Amin
• 
  Gillian Jacobs

  Ada Lovelace
• 
  Thomas Middleditch

  William Shakespeare

• 
  Danny Pudi

  Buddha
• 
  Paul F. Tompkins

  Edgar Allan Poe
• 
  Matt Walsh

  Harry S. Truman
• 
  Mary Lynn Rajskub

  Charlotte Gray
• 
  Maria Thayer

  Courtney the Balloon-gram Girl
• 
  Scott Adsit

  Ernest Hemingway
• 
  Nick Kroll

  Sigmund Freud

• 
  Dennis Nicomede

  Restaurant Diner
• 
  Kristen Schaal

  Amelia Earhart
• 
  Steven Levy

  Steve Levy
• 
  Jason Sudeikis

  Thomas Edison
• 
  Sarah Silverman

  Betsy Ross