First broadcast 24th May 1986.<br /><br />A gruelling refresher course at a top secret spy school develops into a tense situation for Fred and Tessa.<br /><br />Jill Gascoine - Maggie Forbes<br />Leslie Ash - Fred<br />Tracy-Louise Ward - Tessa<br />Jon Iles - Harley<br />Constantine Gregory - Kessler<br />Charles Gray - Sir Jack Fenn<br />Michael Howe - Jimmy Barron<br />James Cosmo - Howard<br />Doug Robinson - Greaves<br />Robert Vowles - Parker<br />Susie Fugle - Yanina<br />Patrick Hubert - Durban<br />Ray Thompson - Leon<br />James Snell - Interrogation Officer<br />Garrick Hagon - Carroll<br />Ray Charleson - Gordy<br />Michael Hughes - Superintendent<br />Harry Saks - Policeman (as Harold Saks)<br />Mike Nagel - Diver<br />Don Warrington - Nigel<br />Terence Conoley - Civil Servant<br />Sonia Fox - Secretary
