A man is invited to a costume party. Everyone there seems to know him, although he has met none of them before.
| Name | Type | Role | |
|---|---|---|---|
| Jeremy Paul | Writer | ||
| Maggie Don | Guest Star | ||
| Roy Hanlon | Guest Star | ||
| Linda Cole | Guest Star | ||
| Michael Nightingale | Guest Star | ||
| Bernard Lee | Guest Star | ||
| Martin Lyder | Guest Star | ||
| Fay Compton | Guest Star | ||
| Terence Duff | Guest Star | ||
| Donald Gee | Guest Star | ||
| Susan Brodrick | Guest Star | ||
| Edward Fox | Guest Star | ||
| Chad Everett | Guest Star | ||
| Susan Richards | Guest Star | ||
| Ann Lancaster | Guest Star | ||
| Norman Chappell | Guest Star | ||
| Marty Cruikshank | Guest Star | ||
| Antony Webb | Guest Star | ||
| Alan Gibson | Director | ||
| William Abney | Director |