
The Adventures of Sam Spade
Crime & Detective from Heritage Radio Vault. Sam Spade has a case to dictate and his secretary Effie has questions of her own. Dashiell Hammett's San Francisco detective becomes a radio…
Richard Diamond, Private Detective
The William Holland Case, a 29-minute recording from Richard Diamond, Private Detective, available to hear on Heritage Radio Vault.

OFFICIAL HERITAGE RADIO VAULT RECORDING
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Dick Powell's Richard Diamond can take a punch, trade an insult and still have a song left for Helen Asher. This private-eye series brings a lighter social touch to dangerous cases without removing the danger.
Read the Richard Diamond, Private Detective programme guide.
Browse all Richard Diamond, Private Detective episodes
Previous and next follow the website directory. They do not establish original broadcast sequence.
In our curated collections: Detectives After Dark.
Modern recording information:
Official Heritage Radio Vault recording ↗Heritage Radio Vault publication: 17 April 2026. This is the modern Spreaker publication, not an original broadcast date. Recording lengths come from the public catalogue; advertising can change the time heard in the player.
An original broadcast date, story synopsis and cast have not been independently established for this recording. The programme guide provides the wider history. Missing episode details are left open rather than inferred from the title.
Original scripts, recordings, performances and music may carry rights belonging to their respective owners. For corrections or rights enquiries:
markwilliams@heritageradiovault.com