We don't have a biography for Walter Mills yet. Hang in there, or go ahead and contribute one.
Appearances
Raising Dion
Guest cast, played by Marc Menchaca
- Episode 1x04: ISSUE #104: Welcome to BIONA. Hope You Survive the Experience (Oct 4, 2019)
- Episode 1x05: ISSUE #105: Days of Mark's Future Past (Oct 4, 2019)