[s13e13] Cure -

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Dean Cain, who famously played Clark Kent/Superman in the 90s series Lois & Clark: The New Adventures of Superman , appeared as the villainous Dr. Curtis Knox. Key Takeaways & Trivia Tell you more about role in the wider DC universe

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Lex Luthor hires Knox, believing his work is legitimate. He is unaware of the murderous side effects, making it another instance where Lex's pursuit of power blinds him to the morality of his partners. Lex Luthor hires Knox, believing his work is legitimate

Chloe Sullivan (Allison Mack) learns about Dr. Curtis Knox (guest star Dean Cain), who claims to have a surgical procedure that removes meteor powers, effectively "curing" the infected. Desperate to live a normal life with Jimmy Olsen, she schedules an appointment.

In a nod to his former role, Cain's character uses a handkerchief with the initials "C.K." in the opening scene.