Andrew Wilson as Hopper

Cassidy Gifford as Cara

Brianne Howey as Jackie

Reiley McClendon as Taylor

Olivia Draguicevich as Veeves

Max Wright as Furby

Hans Marrero as The Guardian

Rich Skidmore as Rich Pintauro

Jocelyn Kay as Hopper's Mom / Leviathan

Chris Sturgeon as Hopper's Dad

Grayson-Belle Burton as Hopper's Sister

Jennifer Bateman as Furby’s Mom

Cassidy Longoria as Furby’s Sister

Abi Murphy as Furby’s Sister

Sabin Smith as Explorer

Zachary Matz as Cowboy

Rusty Grimmer as Cowboy

Wayne Dalchau as Cowboy