SAM PARKER’S smile was so big, he looked as if he’d just won the lottery. Which he had: to “Hamilton,” the hottest show on Broadway.

Mr. Parker, a young actor who said he wouldn’t be able to afford a regularly priced ticket, lucked out at a recent lottery drawing for 21 front-row seats ($10) and eight standing-room spots ($40) to “Hamilton,” a hip-hop musical about the founding fathers and one of the most elusive tickets. He was among some 350 people who entered the lottery, held under the marquee at the Richard Rodgers Theater.

In snagging a $10 ticket to see the show, he is one of the fortunate audience members who realize that cheap seats remain possible to find Click Here to Read More