Actually, most of those have been shot down. Especially when you think about Hildreth being in Canada and Lillis in New York, while Viz Ent. is in California.
The only voices known for sure are:
Steven Blum as Kakashi Hatake
Stephanie Sheh as Hinata Hyuuga
Colleen O'Shaughnessey as Ino Yamanaka and Konohamaru
Steve Kramer as Hokage