http://www.imcdb.org/movie_110932-Quiz-Show.html

I don't know who opened a blank for the Bel Air, but it doesn't deserve a page for it (after the taxis row and other very part seen).
Edited: well, i've just seen the '53 Chevy is a Bel Air (Sport).

I have had to add some more light to some pictures to see the cars better.