A nuclear accident creates a rift in the space/time continuum, and allows deadly creatures to emerge.
| Name | Type | Role | |
|---|---|---|---|
| Leslie Stevens | Writer | ||
| Joseph Ruskin | Guest Star | ||
| Paul Lukather | Guest Star | ||
| Leonard Nimoy | Guest Star | ||
| Robert Fortier | Guest Star | ||
| Signe Hasso | Guest Star | ||
| Allyson Ames | Guest Star | ||
| George Macready | Guest Star | ||
| Barry Russo | Guest Star | ||
| Rudy Solari | Guest Star | ||
| Willard Sage | Guest Star | ||
| Leslie Stevens | Director |