Anime News Network is reporting that Gillian Anderson will be working on the English dub for Studio Ghibli's From Up on Poppy Hill; however it has not been announced which character she will voicing.

The report also says that Ron Howard will also have a role in the English dub.

Anime News Network is reporting that Chris Noth and Sarah Bolger have been added to the English dub cast for From Up on Poppy Hill.

Anime News Network is reporting that lawyer, human rights activist, and freelance journalist Ronan Farrow is joining the cast for the English dub of From Up on Poppy Hill. Farrow is also the son of Woody Allen and Mia Farrow.

Variety has announced the actors for the English dub for Studio Ghibli's From Up on Poppy Hill:

Gillian Anderson
Sarah Bolger
Beau Bridges
Jamie Lee Curtis
Bruce Dern
Jeff Dunham
Isabelle Fuhrman
Christina Hendricks
Ron Howard
Chris Noth
Emily Osment
Aubrey Plaza
Charles Saxton
Alex Wolff
Anton Yelchin

In addition, it was reported that Gary Rydstrom served as the ADR Director.