Eva Marie Saint What's My Line? : Season 10 Episode 1

The panel wear their masks to guess the identity of a Buckingham Palace Guard (a Grenadier), a female professional fire eater (the panel were stumped). Eva Marie Saint is the mystery guest and she was filming was "North by Northwest" at the time, on location, in New York City. Guest panelist Tony Randall recognized Ms. Saint's voice and disqualified himself, but Arlene Francis clocked her. Bennett Cerf had just returned from the Miss America contest in Atlantic City NJ. Cerf was there as a judge, so there's some banter between him and John Daly. The winner, Miss Mississippi, was actress Mary Ann Mobley.