Drake tracks the secret organization to a remote island.
Drake travels to Japan to investigate the death of an agent.
Drake works as disc jockey to infiltrate an illegal British radio station suspected of transmitting code signals.
The theft of classified papers from an embassy friend sets Drake on the trail of an organized opposition espionage force.
Drake's future as an agent with the M.9 is threatened when a free-lance agent discovers his true identity.
Drake uses himself as bait to discover the agent responsible for the disappearance of a spymaster.
Drake goes under cover in the Caribbean to prevent the assassination of a popular nationalist candidate.
Drake works as manservant for a wealthy couple suspected of providing the opposition with highly confidential information.
Drake investigates an Embassy worker suspected of providing the opposition with classified information.
Opposition forces plot to trick a British scientist into divulging invaluable bacteriological warfare information.
Drake poses as a journalist to corroborate a missing agent's report of insurrection plans in the Caribbean.
Drake goes to the rescue of an agent in Eastern Europe who has been captured and tortured by secret police.
A security investigator travels worldwide.
A security investigator travels worldwide.
Drake travels to Russia to ascertain the guilt or innocence of a friend and fellow agent suspected of turning traitor.
Posing as new Controller, Drake sets out for Switzerland to find what became of his predecessors.
Drake poses as a smuggler in Lisbon to investigate treachery concerning the exchange of stolen secrets.
Drake trails a radio operator to Spain to learn his role in a murderous operation involving the transmittal of signal messages.
Sent to the Middle East to bring back a German scientist accused of war crimes, Drake must defend him against Israeli agents wanting their own brand of justice.
Drake joins a volunteer African commando army to determine the extent of its threat to the existing government.
Drake is sent to Africa on a tip that a political opportunist may have negotiated a secret treaty with the Chinese.
Drake travels to Rome seeking the identity of the person responsible for the deaths of two agents.
Drake pretends interest in an assassin's girlfriend to lure the jealous killer from his safe hideaway in Beirut.
Drake goes under cover in Singapore to thwart a Chinese plot to infiltrate the British intelligence service.
Drake uncovers an opposition racket while searching for the man responsible for blackmailing a British government official.
Drake seeks a Russian agent's aid to find a husband-and-wife atomic research team in the West Indies.
An investigation of the one-day disappearance of a fellow agent leads Drake to suspect the man leads a double life.
Drake is arrested for the murder of a woman involved in the transport of secret aircraft and armament papers.
Drake travels to Greece to persuade a defector to return to England before the opposition discovers his whereabouts.
Drake regains consciousness after a car crash and finds himself accused of actions he cannot recall.
Drake must prevent the execution of a former revolutionary whose return to his country may mean renewed revolt.
Fellow agents aid Drake in a risky attempt to free a colleague from a closely-guarded East European embassy.
Drake seeks the identity of a millionaire with plans to overthrow a Latin American government.
Drake takes the place of an ex-convict recruited as a terrorist and is sent to an elegant school for assassins; he uncovers an ultraradical organization that believes its mission is to eliminate undesirable world leaders.
Drake poses as an accountant to investigate the disappearance of top-secret papers from an atomic research plant.
Drake comes to the aid of a seriously wounded British agent sought by police for the murder of a Caribbean actress.
Drake befriends a naval officer to learn if the man is responsible for smuggling secret documents to the opposition.
Talk of smuggling and adulterous widows aid Drake in an investigation of the murder of two agents in the West Indies.
Drake works as manservant in a Roman villa to expose the graft of a corrupt Zaibek government financial advisor.
Drake goes under cover in France to track a man suspected in the theft of confidential chemical plant documents.
Drake searches for a link between a servant's death and the leakage of secret military information in India.
Drake must find a prized agent and help him escape from the Middle East before local officials discover him.
Drake must prevent a recently released mental patient and former agent from killing the man responsible for her breakdown.
Drake must thwart opposition plans to assassinate the African prime minister and overthrow the government.
Drake hunts for missing British Communists.
Drake searches for a missing M9 agent in Prague.
Drake investigates when it appears a former British agent is selling secrets.
A murder sets of a wave of terrorism in Africa.
The discoverers of a virulent bacteria are dying one by one.
Drake and a Scottish nurse try to save an infant Arab prince.
Drake's only clue to counterfeiters is a former Nazi general.
Drake is hired to blow up a miniature sub wrecked off South America.
A Balkan politician accuses an official of misappropriating funds.
Drake poses as an assassin to protect the life of a visiting president.
The Chinese may be using a TV program to broadcast coded information.
A woman who knows secret data takes off suddenly for Venice.
People near a North African nuclear plant are falling ill.
A New York longshoreman's death leads to cocaine smugglers in Genoa.
An airline pilot's widow wants the truth about her husband's crash.
Mystery surrounds the death of a NATO agent investigating gun-runners.
Drake tries to find a doctor trying to escape from communist China.
A fiery girl leads Drake to Sicilian brothers who stole a diplomatic pouch.
A girl appears to be a traitor, but may not be aware of it.
The theft of a car in Scotland leads to a master terrorist, thought dead.
A honeymooner is accused of killing a Chinese businessman.
Telling the truth may be the death of a diplomat's widow.
Vacationing in the Riviera, Drake recognizes a professional assassin.
Drake seeks the link between several identical murders; guest Jean Marsh.
A soldier's death is linked to a sociable Bavarian girl.
Drake searches a Middle East casino for a beautiful espionage suspect.
Drake is marooned on an island with an heiress, two killers and a recluse.
An American journalist is accused of spying in a Caribbean country.
Drake has mixed feelings about a traitor hiding in Kashmir.
A pianist doubles for a suspected spy trapped in an American embassy.
A scientist seeking political asylum in England might be an impostor.
The American ambassador in Vienna asks Drake to investigate information leaks.
An American economist may have committed suicide in the Caribbean.
Drake impersonates a bomber hired by the IRA.
Drake poses as a disabled tycoon to save a kidnapped girl; guest Patrick Troughton.
Drake investigates an opium ring in the Middle East.
A dazed blonde is Drake's only clue to a nearly successful assassination.
An old enemy seeks Drake's help to protect a foreign leader in London.
Drake investigates stories of slavery in the Arabian desert.
A blind South American is the only witness to her brother's murder.
Drake heads to Paris to catch an international assassin.
A U.S. banker dies, and $5 million in American gold disappears.