Josh Duhamel as Harry Cooper (voice)

Dulé Hill as Ben (voice)

Katharine Isabelle as Barbara (voice)

James Roday Rodriguez as Tom (voice)

Katee Sackhoff as Judy (voice)

Will Sasso as Sheriff McClelland (voice)

Jimmi Simpson as Johnny (voice)

Nancy Travis as Helen Cooper (voice)

Stefan Marks as Vince (voice)

Chris Edgerly as TV Commentator / Reporter #2 (voice)

Matt Corboy as Posse Member (voice)

Ashley Lambert as Karen (voice)

David Zyler as Scientist #1 (voice)

Warren Sroka as Reporter #1 (voice)

Ranjani Brow as Additional Voices (voice)