A woman staying at a guest-house in a quiet coastal village is disturbed by a mysterious stranger.
| Name | Type | Role | |
|---|---|---|---|
| Alfred Shaughnessy | Writer | ||
| Patty Duke | Guest Star | ||
| Blake Butler | Guest Star | ||
| Kay Walsh | Guest Star | ||
| John Bailey | Guest Star | ||
| Geoffrey Bayldon | Guest Star | ||
| Michael Craze | Guest Star | ||
| Joan Newell | Guest Star | ||
| Sally James | Guest Star | ||
| Don Chaffey | Director |