Ralph shows Brian the delights of improvisation.
| Name | Type | Role | |
|---|---|---|---|
| Bob Larbey | Writer | ||
| John Esmonde | Writer | ||
| Jill Kerman | Guest Star | ||
| Carolyn Lyster | Guest Star | ||
| Michael Chesden | Guest Star | ||
| Raymond Mason | Guest Star | ||
| Carlos Riera | Guest Star | ||
| Martin Read | Guest Star | ||
| George Camiller | Guest Star | ||
| Jennie Goossens | Guest Star | ||
| Gareth Gwenlan | Director |