Historical clue formulations

• One-named 1950s TV sex symbol — 2018-12-13
• Blond bombshell of '50s TV — 2013-01-06
• Buxom blonde of 50's TV — 1997-06-03
• Early TV sex symbol — 1995-09-03
• "Broadway Open House" regular, in 50's TV — 1994-10-17