The Thirty Nine Steps is a British 1978 thriller film directed by Don Sharp, with screenplay by British playwright Michael Robson, based on the novel The Thirty-Nine Steps by John Buchan. It was the third film version of the 1915 novel.
This version of Buchan's tale starred Robert Powell as Richard Hannay, Karen Dotrice as Alex, John Mills as Colonel Scudder, and a host of other well-known British actors in smaller parts. It is generally regarded as the closest to the novel, being set before the Great War. The early events and overall feel of the film bear much resemblance to Buchan's original story, albeit with a few changes such as the re-casting of Scudder as a more immediately sympathetic character and the introduction of a love interest. It also introduces a different meaning for the "thirty-nine steps", although unlike its filmed predecessors it returns to Buchan's original notion of being an actual staircase. It is known for the Big Ben sequence near the end, inspired by the film My Learned Friend (1943) starring Will Hay, although this is its most fundamental deviation from Buchan's original story, which reaches its culmination in a coastal location in Kent.
Powell later reprised the role in the ITV series Hannay which ran for 13 episodes from 1988 to 1989.
Plot
In 1914, German spies are everywhere in London. After a spate of assassinations of important British politicians, a retired British intelligence officer, Colonel Scudder, realises his life and his mysterious black notebook are in danger. He turns to Richard Hannay, a mining engineer who is visiting Britain for a short time before returning to South Africa, who happens to be staying in a flat in the same building. Scudder tells Hannay of a plot by Prussian (German) 'sleeper' agents, who are planning to precipitate a war against the Triple Entente powers by assassinating the Greek prime minister visiting the UK.
Hannay reluctantly gives Scudder shelter in his flat, despite his initial distrust of him. In the morning, Hannay leaves to purchase a train ticket to his family hometown, the village of Strathallan in Scotland, while Scudder remains at work on his notes in the flat. When the Prussian agents attempt to enter the flat, Scudder flees down the fire escape but he is spotted. Posting a package containing his secret notebook in a pillar box, Scudder flees to St Pancras railway station, where he knows Hannay will be, to give him a second black book.
At the railway station, just seconds before he can reach Hannay, Scudder is murdered by the agents. With his dying breath he gives Hannay a message he doesn't understand. Hannay is mistaken by witnesses at the railway station as being the assailant and is arrested but is soon captured by the Prussians while being transferred to jail. During their interrogation of Hannay, they ask what he knows of the "Thirty Nine Steps". The Prussians allow him to escape in the hope he will lead them to the secret notebook. At St Pancras, Hannay manages to find Scudder's second notebook, but this turns out to be a dummy, with only a three-word riddle in it. Only Hannay can understand the riddle, which sends him to Scotland to find the real notebook. Hannay flees to Scotland on a train, but he is forced to make a daredevil escape on a bridge when the police board.
Hannay attempts to solve the mystery whilst on the run from the police, led by Chief Supt Lomas (Eric Porter), and the Prussian agents, led by Sir Edmund Appleton, a Prussian sympathiser highly placed in the British government.
On the Scottish moors Hannay, claiming to be on the run as part of a wager, meets Alex Mackenzie and her fiance, David Hamilton. On the run again, Hannay has to pose as a Liberal Party orator and ad lib a speech at an election husting. He indicates the identity of the Prussian agents to Alex Mackenzie and David Hamilton and with their help Scudder's book is found, but Hamilton is killed by the Prussians. The coded information is partly deciphered and the true plans of the Prussian agents are revealed. The agents intend to murder the visiting Greek Prime Minister by planting a bomb in parliament, thus leading to unrest in the Balkans and causing a world war. The "Thirty Nine Steps" refers to the number of stairs in the clock tower of Big Ben (from "Lauderdale Door to the clock itself").