Campion searches for the crown of a lost kingdom. Campion is asked to find documents that will prove that the Frittons are the rightful owners of a tiny Dalmatian state where oil has been discovered.
| Name | Type | Role | |
|---|---|---|---|
| Margery Allingham (author) | Writer | ||
| Jill Hyem | Writer | ||
| Robert Tronson | Director |