• Principal Henry Chalmers (portrayed by Don Yanan) - The principal of Leawood High School. Chalmers is much like Principal Caplan from Mighty Morphin Power Rangers and encourages teamwork and enforces discipline. He has an obsessive suspicion of Dex's unusual behavior. Although he means no harm, Chalmers constantly keeps his eyes on Dex hoping to find answers.

• Moon Dude (portrayed by Tom Ayers) - The owner of the arcade that Dex, Molly, and Albee frequently hang out at. His arcade has been host to several events and competitions that Dex and his siblings have participated in, such as a dance contest and a video game tournament. In one episode, Moon Dude employed Dex when Dex was looking for a job.