James Logan

An evil scientist in a remote jungle location cultivates giant crawfish (!) as a means of scaring trespassers away from his diamond mine. Condensed from one of the last Republic serials, "Panther Girl of the Congo". (1955).

In turn of the century London, a magical nanny employs music and adventure to help two neglected children become closer to their father.

An American junior diplomat in London rents a house from, and falls in love with, a woman suspected of murder.

After undersea explosions near a Caribbean island, prehistoric creatures are unleashed on the unsuspecting population.

Two men botch the kidnapping of a warden's daughter, then plot to ransom Abraham Lincoln's corpse.

Asked by Francis I to tutor his son, Diane de Poitiers becomes the future King Henry II's mistress in 1500s France.

A party of archaeologists discovers the remnants of a five millennia-old mutant Sumerian civilization living beneath a glacier atop a mountain in Mesopatamia.

An ex-soldier turned highwayman uncovers a plot to take control of England from King Charles II.

Jean Evans of an international wildlife foundation, who is known to Africa as 'the Panther Girl' because of her bravery in jungle living, stumbles on a plot by a mad scientist to frighten the natives out of a diamond-laden district by chemically growing crayfish to giant size, and enlists the aid of a game hunter friend to prevent a monster rampage and bring the culprits to justice.

In the days of King Henry IV, stalwart young Myles and his sister Meg have been raised as peasants, without any knowledge of who their father really was. But one day, they journey to Macworth Castle. There, Myles falls in love with Lady Anne Macworth, makes friends and enemies, and learns to be a knight.