Over the course of the show Kenneth Tobey (2 times), William Daniels (2), Paul Stevens (2), Christopher Cary (2) and Corinne Camacho (4 times) made guest appearances in different roles.
Over the course of the show, Kenneth Tobey made two appearances, as did William Daniels, Paul Stevens, and Christopher Cary each appearing twice. Corinne Camacho made four appearances.