Marty's aunt Clara has spent five years perfecting a ""system"" that guarantees a win at roulette. She hires Jeff and Jean to escort her to Monte Carlo as ""bodyguards"". They have plenty of work to do: three different groups of people seem to be after Aunt Clara and her ""system"".
| Name | Type | Role | |
|---|---|---|---|
| Tony Williamson | Writer | ||
| Richard Pescud | Guest Star | ||
| Roger Croucher | Guest Star | ||
| Christopher Eedy | Guest Star | ||
| Mary Merrall | Guest Star | ||
| Veronica Carlson | Guest Star | ||
| Colin Vancao | Guest Star | ||
| Nicolas Chagrin | Guest Star | ||
| Michael Forrest | Guest Star | ||
| John Sharp | Guest Star | ||
| Clive Cazes | Guest Star | ||
| Brian Blessed | Guest Star | ||
| Nicholas Courtney | Guest Star | ||
| Eva Enger | Guest Star | ||
| Roger Delgado | Guest Star | ||
| Hans De Vries | Guest Star | ||
| Jeremy Summers | Director |