Great Adventurers of Old Time Radio

Counterspy: The Cold Blooded Professor, Part Two (A0104)

Great Adventurers of Old Time Radio

Show Notes

Today's Adventure: After the notorious Professor Emery Horn escapes from death row through an astonishing feat of planning and deception, David Harding and Harry Peters launch a nationwide hunt for the brilliant killer. Realizing conventional police methods won't be enough, Harding instead searches for the one clue Horn can't disguise—his own mind.

Original Radio Broadcast: September 1, 1949

Originating from New York

Starring Don McLaughlin as David Harding and Mandel Kramer as Harry Peters. Also featuring Ralph Bell as Professor Emery HornDirected by William M. Sweets

Music by Jesse Crawford

Produced by the Phillips H. Lord Productions

To subscribe to this podcast, go to greatadventures.info

Become one of our ongoing Patreon supporters at patreon.greatdetectives.net

Patreon Supporter of the Day: Jim, Patreon supporter since October 2020

Support the show on a one-time basis at support.greatdetectives.net

Mail a donation to: Adam Graham, PO Box 15913, Boise, Idaho 83715

Take the listener survey at survey.greatdetectives.net

Give us a call at 208-991-4783

Follow us on Instagram at instagram.com/greatdetectives

Follow us on Twitter/X at twitter.com/radiodetectives

More from Great Adventurers of Old Time Radio

Oct 20, 2026

Today's Adventure: When a young Marwa couple finds their happiness threatened by an impossible bride price, Tarzan steps in to help. But a far more dangerous threat emerges when a secret expedition discovers a rich deposit of uranium on tribal land. With ruthless men determined to exploit the discovery for world domination, Tarzan must unite the jungle's tribes before a deadly new weapon changes everything.

Oct 17, 2026

Today's Adventure: David Harding and Harry Peters travel to Switzerland after learning that a notorious international information broker is offering an American atomic scientist—and his knowledge of the nation's nuclear secrets—to the highest bidder. With foreign intelligence agents competing for the scientist's services, Harding must determine whether the scientist has betrayed his country and find a way to prevent America's atomic secrets from falling into enemy hands.Original Radio Broadcast: October 20, 1949Originating in New YorkCast: Don McLaughlin as David Harding

Oct 13, 2026

Today's Adventure: When a series of brutal robberies and savage beatings terrorizes the countryside near Luanda, Tarzan is stunned to discover that he is the prime suspect. Accused of crimes he did not commit, the Lord of the Jungle must escape prison and track down the man impersonating him. But with a dangerous giant known as the Killer and the ruthless Herbert Graves plotting against him, can Tarzan clear his name before the hunt for him turns deadly?

Oct 10, 2026

Today's Adventure: When a series of interstate truck hijackings strikes the Midwest, Counterspy chief David Harding takes over the investigation. The stolen goods are disappearing through an operation that appears to have access to the trucks’ security systems, leaving authorities struggling to catch the thieves. Harding deploys miniature cameras, chemical analysis, and a trail of fluorescent oil to track the stolen shipments—but can his team uncover the mastermind before the hijackings escalate?

Oct 6, 2026

Today's Adventure: Tarzan arrives in the dangerous African port city of Becorata seeking agricultural advice from government advisor Eric Von Horn. But his questions soon put him in the middle of a far more dangerous situation. When a mysterious woman named Gabrielle becomes the target of a deadly plot, Tarzan finds himself racing through the African jungle with her in his arms—and with armed pursuers closing in behind them.

See all episodes →