Guest Stars John Levene as Yeti Gordon St Clair as Yeti Colin Warman as Yeti Jack Watling as Professor Travers Bernard G. High as Soldier Tina Parker as Anne Travers Jack Woolgar as Staff Sergeant Arnold Jon Rollason as Harold Chorley Ralph Watson as Captain Knight Richardson Morgan as Corporal Blake Rod Beacham as Corporal Lane Stephen Whittaker as Craftsman Weams Frederick Schrecker as Julius Silverstein
