Outspoken and perpetually curious. That’s 11-year-old Harriet in a nutshell. But if she’s going to be Harriet M. Welsch, future writer, she’ll need to know everything. And to know everything means she’ll need to spy…on everyone.
Beanie Feldstein
as Harriet M. Welsch (voice)
Jane Lynch
as Ole Golly (voice)
Lacey Chabert
as Marion Hawthorne (voice)
Kimberly Brooks
as Janie (voice)
Crispin Freeman
as Mr. Welsch / Mr. Withers (voice)
Grey DeLisle
as Mrs. Welsch (voice)
Bumper Robinson
as Mr. Horatio / Doorman (voice)
Charlie Schlatter
as Sport (voice)
Animation
Kids