George Takei's television debut and his first on-camera performance.
The first collaboration between Leslie Stevens and Joseph Stefano.
Is written by two of the future producers of "The Outer Limits" (Leslie Stevens and Joseph Stefano) and directed by a future producer of "The Twilight Zone" (Herbert Hirschman).
E.G. Marshall and Robert Vaughn would later be castmates in The Bridge at Remagen (1969) although not having a scene together in it; both would also be linked to the Christopher Reeve "Superman" movies, with Marshall as the President of the United States in Superman II (1980) and Vaughn as main villain Ross Webster in Superman III (1983); and both actors would also be among the celebrity narrators in relating the story of a real past U.S. president in Lincoln (1992).