Ryan Kelley

Ben Tennyson

Galadriel Stineman

Gwen Tennyson

Nathan Keyes

Kevin E. Levin

Alyssa Diaz

Elena Validus

Herbert Siguenza

Victor Validus

Barry Corbin

Grandpa Max Tennyson

Dee Bradley Baker

Big Chill / Humongousaur (voice)

Alex Winter

Nanomech (voice)

Wendy Cutler

Alien Chip Queen (voice)

Joyce Kurtz

Computer (voice)

Patrick Cox

Big Ed

Jeremy DeCarlos

Helio

Eric Mendenhall

Fitz

Tony Larkin

Ship-It Clerk

Aaron Muñoz

Psycho 1

Justin Welborn

Psycho 2

Michelle Wang

Molly

Wilbur Fitzgerald

Financial Guy in Suit

Deborah Duke

Nurse

Nicole Krausen

International Plumber 1