Guest Stars William Bogert as Les Carlisle Arthur Rosenberg as Dr. Kelly Jeff Cooper as Reo Crocker Co Starring Jesse D. Goins as Cyler Johnson Harry Johnson as Agent Jeff Sharp Glenn Wilder as Harvey Locke James Dybas as Medical Expert Robert Curtis as Truck Driver Melvin F. Allen as Arnold Diggs J.P. Bumstead as Agent Spiegel Hank Salas as Cadre Man Richard Brand as Dr. Keen Blake Marion as Radar Operator