Vincent discovers a mysterious computer tape that could offer proof of the alien invasion.
| Name | Type | Role | |
|---|---|---|---|
| Theodore Sturgeon | Writer | ||
| John W. Bloch | Writer | ||
| Nancy Wickwire | Guest Star | ||
| Gilchrist Stuart | Guest Star | ||
| Norman Fell | Guest Star | ||
| Garrison True | Guest Star | ||
| Bill Fletcher | Guest Star | ||
| Ed Begley | Guest Star | ||
| Ron Stokes | Guest Star | ||
| Victor Brandt | Guest Star | ||
| Ivan Bonar | Guest Star | ||
| Max Kleven | Guest Star | ||
| Laura Devon | Guest Star | ||
| Joel Fluellen | Guest Star | ||
| John Meredyth Lucas | Director |