A scientist who defected from an Iron Curtain country returns to New York in secret and Assistant Director Arthur Ward personally handles the case.
| Name | Type | Role | |
|---|---|---|---|
| Mel Goldberg | Writer | ||
| Peter Jason | Guest Star | ||
| John Kerr | Guest Star | ||
| David Opatoshu | Guest Star | ||
| Pamela Dunlap | Guest Star | ||
| John Lasell | Guest Star | ||
| Stuart Margolin | Guest Star | ||
| Bettye Ackerman | Guest Star | ||
| Michael Shillo | Guest Star | ||
| Ross Elliott | Guest Star | ||
| Victoria Shaw | Guest Star | ||
| Vince Howard | Guest Star | ||
| Richard Kiley | Guest Star | ||
| Jesse Hibbs | Director |