Jimmi Simpson
Johnny (voice)

Nancy Travis
Helen Cooper (voice)

Stefan Marks
Vince (voice)

Chris Edgerly
TV Commentator / Reporter #2 (voice)

Matt Corboy
Posse Member (voice)

Ashley Lambert
Karen (voice)

David Zyler
Scientist #1 (voice)

Warren Sroka
Reporter #1 (voice)

Ranjani Brow
Additional Voices (voice)