Superboy [Clark Kent; Kal-El]; Jonathan Kent; Martha Kent; Lana Lang; Lester Wallace; Zan-Em (introduction, Phantom Zone criminal)
Jonathan and Martha Kent attack Clark under the control of Lester Wallace. Wallace sends Superboy into the Phantom Zone, where he encounters Zan-Em. Zan-Em has been influencing Lester Wallace and turning him against Superboy. Superboy escapes the Phantom Zone, and the disturbed Wallace turns the Phantom Ray Projector on himself.