A notorious jewel thief named Justin arrives in town at the same time as a shipment of famous jewels arrives for display in a local museum. Ironside must keep the thief guessing about the method of shipment so that the jewels will remain safe; but he is up against a mastermind and there is still an inside man who has to be unmasked.
| Name | Type | Role | |
|---|---|---|---|
| Sy Salkowitz | Writer | ||
| Robert DoQui | Guest Star | ||
| John Holland | Guest Star | ||
| John Dennis | Guest Star | ||
| Robert Christopher | Guest Star | ||
| Charles Aidman | Guest Star | ||
| Sorrell Booke | Guest Star | ||
| Johnny Seven | Guest Star | ||
| Simon Scott | Guest Star | ||
| Lisa Todd | Guest Star | ||
| Anton Leader | Director |