The best Frank Wilcox’s mystery movies

Advertising man Roger Thornhill is mistaken for a spy, triggering a deadly cross-country chase.

In order to help bring Nazis to justice, U.S. government agent T.R. Devlin recruits Alicia Huberman, the American daughter of a convicted German war criminal, as a spy. As they begin to fall for one another, Alicia is instructed to win the affections of Alexander Sebastian, a Nazi hiding out in Brazil. When Sebastian becomes serious about his relationship with Alicia, the stakes get higher, and Devlin must watch her slip further undercover.

Paratroopers Captain 'Rip' Murdock and Sergeant Johnny Drake are mysteriously ordered to travel to Washington, DC. When Drake learns that he is to be awarded the Medal of Honor, he disappears before newspaper photographers can take his picture. Murdock follows the clues and tracks him down, where he learns Drake is dead. Further investigations reveal unexpected twists. Rip learns that Johnny had been accused of murder and sets out to find out whatever he can. He falls in love with Coral whose husband Johnny is supposed to have killed.

Philo is in Vienna working for the US Government to see if Archer Coe is selling aircraft designs to foreign powers. He grabs the plans with Archer's signature, but is captured by police before he can escape. Deported he comes back to America and plans to confront Archer, but Archer is found dead in his locked bedroom with a gun in his hand. While it looks like a suicide, Vance knows better and the coroner finds that Archer has been shot, hit with a blunt instrument and stabbed - making suicide unlikely. But Vance is on the case and is looking to see if government secrets have been sold and who has murdered Coe. This is a remake of "The Kennel Murder Case" using aircraft designs and espionage instead of Chinese porcelain and dog shows.

Peter Thorne is a young attorney who works for an eccentric old woman, Lorinda Channing, who uses her insane brother, John Channing, to frighten her other relatives because they are after her money. Further complications arise when another murderer arrives on the scene and plants the blame on John Channing.

A reporter and a police detective sort through the clues in a night-club owner's murder.

A San Francisco airplane bound for South America crashes, and among the scorched debris is found a shrunken native human head, neatly packaged. The perplexed police contact a local anthropology museum about this unclaimed piece of grisly baggage, where they intersect with Jack and Doc, two private eyes, called there to meet a mysterious woman who had a case for them and wanted to meet in private.

Playboy Larry Blendon introduces his grandmother Stella Blendon to his fiancée, radio singer Virginia Berneaux. Despite Larry's record of broken romances and divorces, Virginia decides she will marry him. Virginia is slain that night and Blandon telephones his friend Philo Vance to help find the killer.