Eight people at a remote Scottish inn find themselves confronted by a woman from Mars, who has landed her flying saucer for repairs but intends to soon conquer the Earth and enslave its men for breeding purposes.
Patricia Laffan
as Nyah
Hugh McDermott
as Michael Carter
Hazel Court
as Ellen Prestwick
Joseph Tomelty
as Prof. Arnold Hennessy
Adrienne Corri
as Doris
Peter Reynolds
as Robert Justin / Albert Simpson
Sophie Stewart
as Mrs.Jamieson
John Laurie
as Mr. Jamieson
Anthony Richmond
as Tommy
