The cornea grafts that will, hopefully, restore the sight of blind millionaire Marten Halvarssen fascinate Steed: they're rumoured to be coming from a live patient, one Hilda Brauer. Steed suspects that all is not what it seems and so sends Cathy to Switzerland to oversee the operation.
| Name | Type | Role | |
|---|---|---|---|
| Martin Woodhouse | Writer | ||
| Steven Scott | Guest Star | ||
| Petter Hammond | Director |