- James Robertson Justice, Vincent Ball, Ed Devereaux, Hugo De Vernier, Ian R. Parsons, John Herrington, Nancy Nevinson, Leslie Phillips and others
- Jack Davies and Henry Blyth
- Ken Annakin
- Julian Wintle and Leslie Parkyn
Esteemed scientist and engineer Sir Earnest Farse is being honoured on television programme Memory Album when he is prompted to recall a somewhat eventful few months during the Second World War...
Sent on a top secret, undercover reconnaissance mission over Germany at the direct request of the War Cabinet, the Professor - then the Director of Applied Aeronautical Science at a high-tech research base - finds himself shot down and held by the Nazis at a PoW camp.
In the guise of Royal Navy Lieutenant Farrow, his presence, demeanour - and fluent German - initially raise his fellow captives' suspicions, but when a coded order from Churchill himself arrives insisting that Farrow be helped to escape as a priority, it's all hands on deck to assist the crotchety genius's plans.