A long-lost daughter helps the F.B.I. unmask a communist spy who has taken the identity of a dead American.
| Name | Type | Role | |
|---|---|---|---|
| Paul Schneider | Writer | ||
| Phyllis Hill | Guest Star | ||
| John Rayner | Guest Star | ||
| Celia Lovsky | Guest Star | ||
| Charles Bateman | Guest Star | ||
| Scott Graham | Guest Star | ||
| Wayne Heffley | Guest Star | ||
| Dallas Mitchell | Guest Star | ||
| Richard Mosier | Guest Star | ||
| Julie Sommars | Guest Star | ||
| Michael Rennie | Guest Star | ||
| Harold Gould | Guest Star | ||
| Craig Huebing | Guest Star | ||
| Robert Day | Director |