演职人员
导演
埃德加·乔治·乌尔默
John Lawrence
Robert Clarke
Enid Elliot
Margaret Field
Prof. Elliot
Raymond Bond
Dr. Mears
威廉·沙勒特
Tommy the Constable
Roy Engel
Inspector Porter
David Ormont
Dr. Robert Blane
Gilbert Fallman
The Man from Planet X
Pat Goldin
Donal, a searcher
Tom Daly
Wife of Missing Man
June Jeffery