In this two-hour TV movie episode of Family Ties, the Keaton family goes on vacation to London, England and becomes entangled in an espionage plot.
| Actor | Role |
|---|---|
 Meredith BaxterElyse Keaton | Elyse Keaton |
 Michael GrossSteven Keaton | Steven Keaton |
 Michael J. FoxAlex P. Keaton | Alex P. Keaton |
 Justine BatemanMallory Keaton | Mallory Keaton |
 Tina YothersJennifer Keaton | Jennifer Keaton |
 Guy HenryJonathan | Jonathan |
 John Moulder-BrownWilliam Clive-Hopkins | William Clive-Hopkins |
 Charles McKeownFrederick Weiss | Frederick Weiss |
 James SaxonLuther Broder | Luther Broder |
 Lockwood WestProfessor Hardy | Professor Hardy |