An enjoyable episode, and one which held my attention completely for at least the first 35 minutes, which they don't all do.
The miniaturisation effects are mostly pretty good - the bit with Sir Gerald (Kevin 'Vaughn' Stoney, who I completely missed) in the long grass was excellent, those plants they used really did look like huge blades of grass.
Ronald 'the Rook' Radd, making his third appearance, as the generic 'Eastern Bloc' spymaster, a role which has made considerably more than three appearances so far.
Previously and also seen: Nicholas Courtney returning from Propellant 23 to add a Captain to his Colonel and Brigadier, and to suffer the indignity of being flushed down a drain. Richard 'Gatherer Hade' Leech making his third appearance.
Also seen: Jane 'Number Twenty-four' Merrow.
Previously seen: Francis Matthews returning from The Thirteenth Hole.
