Ryan Kelley character Ben Tennyson
Galadriel Stineman character Gwen Tennyson
Nathan Keyes character Kevin E. Levin
Alyssa Diaz character Elena Validus
Herbert Siguenza character Victor Validus
Barry Corbin character Grandpa Max Tennyson
Dee Bradley Baker character Big Chill / Humongousaur
Patrick Cox character Big Ed
Jeremy DeCarlos character Helio
Eric Mendenhall character Fitz
Tony Larkin character Ship-It Clerk
Aaron Munoz character Psycho 1
Justin Welborn character Psycho 2
Deborah Duke character Nurse
Wilbur Fitzgerald character Financial Guy in Suit
Brian Beegle character Genaro
Keylun Johnson character Herself
Shankar N. Mahadevan character International Plumber
Wendy Cutler character Alien Chip Queen (voice)
Alex Winter character Nanomech (voice)
Joyce Kurtz character Computer (voice)
Grace Baine character Alien (uncredited)
Lynn McArthur character Waitress Zombie (uncredited)
Travis Grant character Zombie College Student (uncredited)
Bill Pacer character Factory Worker Zombie (uncredited)
Timothy Douglas Perez character Forklift Operator (uncredited)
Sonya Thompson character Factory Worker Zombie (uncredited)
Steve Warren character Factory Worker Zombie (uncredited)
