“During the 24-month Broadway run of [the play], 21 puppies – golden retrievers and others that look goldenish – have cycled through the show’s cast, appearing in a brief but reliably crowd-pleasing scene toward the end of the show. And as each one ages out of the role – as soon as the dogs grow too big to fit in a gift box, they are replaced – each has been adopted by a performer, a crew member or someone else connected to the theater industry.” (includes slideshow)