Illya investigates the mysterious disappearance of cats in Soho, and he and Solo discover that a salon run by Madame De Sala is a front for her plan to develop a rejuvenation process, which De Sala plans to use on the now elderly target of her romantic desires, Sir Norman Swickert. Assisted by Joanna Sweet, a nurse, they end up in the bottom of a wine press. Meanwhile, THRUSH agent Jordin plots to obtain the process for THRUSH.
| Name | Type | Role | |
|---|---|---|---|
| Howard Rodman | Writer | ||
| Henry Slesar | Writer | ||
| Richard Peel | Guest Star | ||
| Monica Keating | Guest Star | ||
| Bernard Fox | Guest Star | ||
| Maurice Evans | Guest Star | ||
| Dolores Faith | Guest Star | ||
| Cal Bolder | Guest Star | ||
| Ann Elder | Guest Star | ||
| Ollie O'Toole | Guest Star | ||
| James Doohan | Guest Star | ||
| James Hong | Guest Star | ||
| Anthony Eustrel | Guest Star | ||
| Vera Miles | Guest Star | ||
| E. Darrell Hallenbeck | Director |