Leonard Driscoll summons Sam Casey to unmask Robert Denby who he suspects of sabotaging the U.S. defense system
| Name | Type | Role | |
|---|---|---|---|
| Frank Telford | Writer | ||
| John Milford | Guest Star | ||
| Mickey Gilbert | Guest Star | ||
| Jim Stafford | Guest Star | ||
| Ben Bates | Guest Star | ||
| Ed Nelson | Guest Star | ||
| Fred Waugh | Guest Star | ||
| Don Galloway | Guest Star | ||
| Alin Oliney | Guest Star | ||
| Smith Evans | Guest Star | ||
| Don McDougall | Director |