The fate of the Earth is at stake when an optometrist discovers special lenses which enable him to see a frightening, and otherwise invisible, two-dimensional creature.
| Name | Type | Role | |
|---|---|---|---|
| John Mantley | Writer | ||
| William R. Cox | Writer | ||
| Douglas Henderson | Guest Star | ||
| Paul Sorensen | Guest Star | ||
| Marcelle Hebert | Guest Star | ||
| Richard Gittings | Guest Star | ||
| Jack Wilson | Guest Star | ||
| Joan Freeman | Guest Star | ||
| Peter Lind Hayes | Guest Star | ||
| Parley Baer | Guest Star | ||
| Sam Reese | Guest Star | ||
| Byron Haskin | Director |