The Terror Twins [The Black Terror [Bob Benton]; Tim Roland]; Jean Starr; Nelson (villain, introduction, death); Henry Devoe (villain, introduction)l Mike Davis (reporter)
Lieutenant Larry North, U.S. Navy; Betty Harmon; Dr. Sanchez (villain, introduction); Hans (villain, introduction); Kurt (villain, introduction); Dr. Ludwig (villain, introduction, death); Nazis (villains)
Indexer Notes
Bellem credit suggested by Jerry Bails's Who's Who.