Guest Stars John Levene as Yeti Gordon St Clair as Yeti John Lord as Yeti Jeremy King as Yeti Jack Watling as Professor Travers Joseph O'Connell as Soldier Tina Parker as Anne Travers Jack Woolgar as Staff Sergeant Arnold Derek Pollitt as Driver Evans 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
