Amateur and professional bodybuilders prepare for the 1975 Mr. Olympia and Mr. Universe contests as five-time champion Arnold Schwarzenegger defends his Mr. Olympia title against Serge Nubret and the shy young Lou Ferrigno.
Arnold Schwarzenegger
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Lou Ferrigno
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Mike Katz
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Serge Nubret
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Franco Columbu
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Ed Corney
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Ken Waller
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Robbie Robinson
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