John CarradineDr. Rynning

Robert DixDr. Manning

Vicki VolanteValerie

Joey BensonWilly

Jennifer BishopLian Malian

Bruce PowersCmdr. Steve Bryce

Fred MeyersBob Scott

Britt SemandLinda

Al Adamson

John Andrews

John "Bud" Cardos

Theodore Gottlieb

Gary Graver

Sean Graver

Maria Lease

Gus Peters

Irv Saunders

Al AdamsonDirector

Sue McNairScreenplay

Charles McMullenExecutive Producer

Zoe PhillipsExecutive Producer