While Leonard Nimoy became famous as Star Trek's Mr. Spock, he was conflicted about the role. He later came to embrace it. He's shown here with actor William Shatner as Captain James T. Kirk. Getty Images hide caption

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Kevin Spacey's President Frank Underwood is embattled and often frustrated in the third season of Netflix's House of Cards. David Giesbrecht/Courtesy of Netflix hide caption

itoggle caption David Giesbrecht/Courtesy of Netflix