Harriet the Spy

• 
  Beanie Feldstein
  Harriet
• 
  Kimberly Brooks
  Janie
• 
  Grey Griffin
  Harriet's Mom
• 
  Charlie Schlatter
  Sport
• 
  Lacey Chabert
  Marion Hawthorne
• 
  Jane Lynch
  Ole Golly
• 
  Crispin Freeman
  Harriet's Dad
• 
  Maile Flanagan
  Pinky Whitehead
• 
  Bumper Robinson
  Mr. Horatio
• 
  Curtis Armstrong
  Mr. Waldenstein
• 
  Phil LaMarr
  Coach
• 
  Carlos Alazraqui
  Bird Watcher
• 
• 
• 
  Brad Garrett
  Goon
• 
  Jaeden Martell
  Chuck

• Alanna Ubach

• Allison Craig

• Will McRobb
  ...
  (developed by)
• Louise Fitzhugh
  ...
  (novel)
• Levi Abrino
  ...
  (staff writer)
• Charley Feldman
  ...
  (staff writer)
• Haley Mancini
  ...
  (story editor)
• Lorraine DeGraffenreidt