Possible Clues:

• '36 Olympics star
• Quadruple-gold winner in Berlin
• Announcer Gary of "Laugh-In"
• See 66-Across
• Sprinter Jesse who embarrassed Hitler
• Old athlete's cry of pain before final stages of race in Olympics
• Country Music Hall of Famer Buck
• Voice actor Gary
• Athlete for whom a street outside Berlin’s Olympiastadion is named
• Patricia --, actress who played Hélène Delambre in the 1958 film 'The Fly'