
Mining engineer Richard Hannay, on a dull holiday in London, is thrust into intrigue when a secret agent bursts in, handing him a coded notebook about the looming outbreak of World I. Pursued by German spies and British authorities alike, Hannay races to decipher the mysterious Roman‑numeral cipher before it falls into the wrong hands.
Does The 39 Steps have end credit scenes?
No!
The 39 Steps does not have end credit scenes. You can leave when the credits roll.
Explore the complete cast of The 39 Steps, including both lead and supporting actors. Learn who plays each character, discover their past roles and achievements, and find out what makes this ensemble cast stand out in the world of film and television.

Eddie Marsan
Scudder

Alex Jennings
Captain Kell

Steven Elder
Vicar / Wakeam

Patrick Malahide
Professor Fisher

Werner Daehn
Ackerman

Lydia Leonard
Victoria Sinclair

David Haig
Sir George Sinclair

Patrick Kennedy
Hellory Sinclair

Rupert Penry-Jones
Richard Hannay

James Bryce
Concierge

Del Synnott
London Constable

Kathryn Howden
Landlady

David Gallacher
Professor's Butler

Stewart Preston
Waiter

Peter Stark
Engel

Sandy Neilson
Old Man in Club

Roger De Courcey
Ventriloquist

Barbara Downie
Woman on Stairs

Anna Guthrie
Maid

George Docherty
Train Policeman
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Challenge your knowledge of The 39 Steps with this fun and interactive movie quiz. Test yourself on key plot points, iconic characters, hidden details, and memorable moments to see how well you really know the film.
What is Richard Hannay's profession before the events of the film begin?
Mining engineer
Police detective
Professor of history
Banker
Show hint
Read the complete plot summary of The 39 Steps, including all major events, twists, and the full ending explained in detail. Explore key characters, themes, hidden meanings, and everything you need to understand the story from beginning to end.
Richard Hannay, Rupert Penry-Jones, a mining engineer and a former intelligence officer who has just returned from Africa, finds London after the Boer War prickly, insular, and increasingly dull. The city’s social niceties feel stifling as he tries to navigate a life that seems to be built on “clique” and class boundaries, and he longs for purpose beyond quiet routine.
In a tense, fate-filled moment, Scudder, Eddie Marsan, bursts into Hannay’s flat, revealing himself as a betrayed freelance agent of the Secret Service who has been tracking a German espionage network with roots in Scotland. Scudder believes he is about to be killed and, in a panic, hands Hannay a notebook meant to reach Captain Kell, the Secret Service contact. Before Hannay can fully process the danger, Scudder is shot by a German intruder who slips into the room through the back door. The police arrive, and Hannay is arrested for murder, but he uses the escape as a catalyst to flee, leaving behind a city that feels suddenly indifferent to risk.
With Kell unreachable, Hannay delves into the notebook’s pages, discovering that the writing uses Roman numerals as a cipher and that a map tucked in the back points toward Scotland. He realizes the Germans plan something catastrophic that could ignite a continental war. He boards a train and heads north, grappling with the coded instructions and a growing sense that he must persuade the British authorities to take the threat seriously. The impending news of Archduke Ferdinand’s assassination accelerates the danger, and Hannay presses on toward Scotland, hoping to uncover the plot before it can unfold.
In the Scottish countryside, Hannay slips away from the pursuing police and finds shelter in a barn, where he works to decipher the notebook’s code, except for a double-encoded section that eludes him. As he pieces together the plan, he learns that the German objective is to cripple Britain’s Royal Navy so that an invasion could be launched undeterred. Chased by both law enforcement and hostile agents, Hannay encounters Victoria Sinclair, Lydia Leonard, and her brother Harry, Patrick Kennedy, a brother-sister pair who misinterpret him as a Liberal rally speaker bound for a nearby town. In their company, he also meets Sir George Sinclair, David Haig, the menacing uncle who holds a position on Britain’s defence committee, which raises the stakes of Hannay’s predicament.
Victoria soon decides to help Hannay escape, and for a time the trio seems to be making headway. Their fortunes turn when they are captured by the Germans at a fortress called Longkeep Castle, where they are imprisoned in a cellar by Professor Fisher, Patrick Malahide. Just before a quiet moment of peril, Sir George arrives, probing for information about Hannay and Victoria. The pair manage to slip away, only to find themselves separated from the notebook, which Victoria had secretly hidden. Back at an inn, Hannay recounts the notebook’s contents to Victoria, who seems to have a deeper connection to the Secret Service than she initially reveals.
The next morning, Hannay leaves Victoria and heads to see Sir George again, hoping for safe passage or critical intelligence. The defence committee’s meeting at Stirling Castle appears to align with the naval plans hidden within the notebook’s code, suggesting a devastating vulnerability in Britain’s defenses. Hannay’s deduction is precise: someone on the committee is aiding the traitors. He confronts Victoria again, whose knowledge of Kell and Wakeham—Steven Elder—the Secret Service liaison who had been watching Hannay, surfaces. It is revealed that Victoria works for the Bureau, and Kell and Wakeham had used Hannay to bait the German agents, with Victoria faithfully watching over him.
The real traitor turns out to be Sir George, a man whose public profile masks his private duplicity. Hannay, aided by Victoria, memorizes the naval plans and secures his escape, using the notebook’s remaining clues to locate the Germans’ rendezvous: a hidden escape route to a submarine in a loch. At the castle, Hannay and Victoria discover the hidden steps—“39 steps”—that lead to the loch where a German U-boat awaits. A brutal showdown ensues as Fisher and the Germans race to the U-boat, but they are outpaced by Hannay’s quick thinking and Victoria’s aid. The vessel submerges, and a tense moment settles when Sir George and Fisher are overwhelmed by events and surrender to the authorities.
Near the loch’s edge, Hannay and Victoria share a kiss, but tragedy interrupts their moment of relief when Victoria is struck by a bullet fired by a lone gunman, vanishing beneath the water of the loch. The war begins four months later, and Hannay, now in an army officer’s uniform, waits at St Pancras to meet a contact. Harry returns with news that Victoria wishes to bid him farewell, and Hannay sees her in the distance. As Harry whispers that she will see him after the war, the sense of secrecy and danger persists, underscoring a romance forged in crisis and the uncertain fate of those who shoulder the burden of national security.
“top secret, old man.”
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