Joel Breed

Professor Jackson

Greta Kernkamp

Elizabeth

Kelan Smith

George

Christopher Sturz

Jonathan

Mike Cook

Gustav/Gruff/Spooky Tree

Mandy Tietz

Stephanie Yates

Cassie Pearson

Penny

Hannah Monterey Jones

Amy

Seth Berrier

Michael Kaiser/Lobo/The Monster

Greg Kernkamp

Sven/Toady/Spooky Tree