Top Secret
Top Secret is a compact 1950 espionage series built around Ilona Massey as Baroness Karen Gazer, a glamorous intelligence operative moving through international intrigue before and during World War II. The program leans into travel, deception and undercover danger while using Massey’s European screen persona as part of the character’s authority.
Where to Start
Researched entry points from recordings already in the Golden Radio Hour archive.
Night Train to Berlin
A train to Berlin, enriched uranium and a blown cover put Karin Geza immediately inside the kind of wartime espionage pressure that defines Top Secret.
Episode details →The Case of the Tattooed Pigeon
The sinking of the Royal Oak leads Karin toward a Scottish castle and an injured pigeon, a good example of the series turning an odd physical clue into international espionage.
Episode details →The Plan for Sabotage
Karin's pursuit of a Soviet agent pulls her into a sabotage plot, showing the series at its most direct: intelligence work built around deception, identification and personal risk.
Episode details →Program History
A 1950 espionage series starring Ilona Massey as Baroness Karen Gaza, placing its heroine in stories of international intrigue and intelligence work connected with Europe and World War II.
NBC sustaining espionage drama starring Ilona Massey as Baroness Karen Geza/Gayzer. Historical run contains 19 numbered assignments.
The run breaks into several distinct periods: Monday opening period (June 12, 1950 to July 10, 1950) on NBC Radio Network, Sunday period (July 23, 1950 to August 20, 1950) on NBC Radio Network, Friday period (September 1, 1950 to September 8, 1950) on NBC Radio Network, and Monday return (September 18, 1950 to September 25, 1950) on NBC Radio Network.
Names that turn up again and again in the surviving run include Ilona Massey (performer), Fred Collins (announcer), Harry W. Junkin (writer, director, and producer), Roy Shield (composer and conductor), Allan Stevenson (performer), Brook Byron (performer), and Luis Van Rooten (performer).
Across its run, the surviving broadcasts are tied to NBC Radio Network.
The stories often return to international espionage, World War II intelligence operations, counterintelligence and undercover identity, sabotage and counter-sabotage, and rehearsal and transcription preservation.
The show also sits in a wider radio history that includes World War II espionage setting, Transcribed/rehearsal preservation, and NBC summer Top Secret run.
If you are following the same actors and creative circles, related programs worth opening next include The Chase, Theater Five, Columbia Workshop, Words at War, and X Minus One.
All Episodes & Recordings
Search this program or browse in its validated catalog order.
Night Train to Berlin
Baroness Karin Geza boards a train for Berlin to intercept a Gestapo agent carrying a small quantity of enriched uranium—material important enough to affect the course of the war. Her…
The Admiral’s Strange Identity (Dramatic Portion Only)
Karin takes the place of enemy agent Ilsa Frum in order to penetrate a German intelligence operation in the United States and learn the movements of its leader. The strange…
The Admiral’s Strange Identity
Karin takes the place of enemy agent Ilsa Frum in order to penetrate a German intelligence operation in the United States and learn the movements of its leader. The strange…
A Package in Tangiers
After secret information known only to a few Allied commanders repeatedly reaches the Germans, Karin is sent to Tangiers to trace the leak. Her investigation requires her to move undercover…
Escape
A Top Secret espionage-drama recording identified as “Escape.”
Coming Disaster (Dramatic Portion Only)
A German working for the Italian government promises to sell Karin information powerful enough to threaten the regime, but he is murdered before the exchange can be completed. Karin has…
Midnight for Danger
Karin travels to neutral Switzerland to discover what the Germans are planning under the code name Operation Dusk. Her search centers on a Swiss clockmaker who holds the key to…
The Unknown Mission
Karin is ordered to kill a French count operating in Italy as a Nazi agent, but she refuses to strike until she discovers his assignment. Unknown to her, the count…
Disaster in London
Karin races to stop Nazi agents who plan to contaminate London's water supply with a highly infectious disease, turning biological sabotage into a threat to the entire city.
The Case of the Tattooed Pigeon
After the battleship Royal Oak is sunk at Scapa Flow, Karin investigates how sensitive information is leaking from Britain directly to Germany. A Scottish castle and a wounded pigeon provide…
The Church Without a Cross
Karin goes to Belgium to locate the source of devastating bombs being dropped on London, following the enemy weapons back toward a hidden operation in occupied Europe.
Confession (Dramatic Portion Only)
Karin's friend Mary Bryant receives a disturbing and mysterious letter from her husband Jerry, who is being held by Bulgaria's Communist government. Karin travels there to find him and discovers…
Confession
Karin's friend Mary Bryant receives a disturbing and mysterious letter from her husband Jerry, who is being held by Bulgaria's Communist government. Karin travels there to find him and discovers…
The Poison Hand of Friendship
A Top Secret espionage-drama recording identified as “The Poison Hand of Friendship.”
Disaster (Dramatic Portion Only)
A Top Secret espionage-drama recording identified as “Disaster (Dramatic Portion Only).”
The Document
A Top Secret espionage-drama recording identified as “The Document.”
The Dream That Meant Death
Karin travels to Shanghai to break up an opium operation being used by Communist agents against Chinese Nationalist forces, confronting a scheme that turns addiction itself into a weapon.
The Plan for Sabotage (Dramatic Portion Only)
A doctor contacts Karin claiming to possess a clue to an infamous Soviet agent she has sworn to stop. The meeting draws her into a new counterespionage operation built around…
The Plan for Sabotage
A doctor contacts Karin claiming to possess a clue to an infamous Soviet agent she has sworn to stop. The meeting draws her into a new counterespionage operation built around…
Cast, Crew & Contributors
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Ilona Massey