Dean Cromer

Masterson, an intelligent, business-like protection man, is running what seems to be a legitimate maintenance service. His organization causes the breakdown of trucks on the highway, then he moves in to offer his servicing which will prevent further "accidents."

Cheyenne faces a hostile countryside when he replaces a popular foreman.

Dan Mathews, shoots it out with a criminal whose clever escape method is his downfall.

Dan Mathews puts the brakes on high-speed death, when he tracks down hot-rod killers.

Pirates kidnap Jimmy, Lois and Clark and hide on a remote island the U.S. Navy is about to destroy.

Lois, Clark and Jimmy act as referees in a treasure hunt by three brothers on a remote island.