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In page Dabbs Greer:

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Greer appeared in three episodes of Adventures of Superman, including the inaugural entry, "Superman on Earth" (1952),[1] in which he was cast as the first person to be saved by Superman. He was the major guest star as a man framed for murder in "Five Minutes to Doom" (1954) and as an eccentric millionaire in "The Superman Silver Mine" (1958).[citation needed]