Guest Stars Teryl Rothery as Dr. Janet Fraiser Peter Stebbings as Malek Daryl Shuttleworth as Cmdr. Tegar Gwynyth Walsh as Kelmaa Malcolm Stewart as Dollen Allison Hossack as Zenna Valk Co Starring Andrew Moxham as Pangar Sentry Trever Havixbeck as Pangar Sentry