Casey Camp-Horinek has been cast as Kanna (Gran Gran) in Avatar: The Last Airbender

She is a Tribal Councilwoman, Elder, and Hereditary Drumkeeper of the Ponca Tribe of Oklahoma. As an actor, she is best known for Barking Water (2009) and Reservation Dogs (FX on Hulu). pic.twitter.com/wFyvKP5mTZ

— Avatar News (@AvatarNews_) December 16, 2021