So here I am, single, about to cast Play It Again, Sam the play with Tony Roberts as my costar. All we need is to find the right girl to play Linda, the female lead. The director is Joe Hardy, a fine director who knows what he’s doing. He and I sat in the back of the theater auditioning one talented actress after another. There’s a lot of talent out there and not enough good roles. Sandy Meisnter was a famous, highly respected acting teacher in New York who ran the Neighborhood Playhouse, where so many terrific actors emerged. Somewhere, he collared David Merrick and raved about a girl in his class that he found to be sensational. Her name was Diane Keaton. Real name Diane Hall, but there already was an actress with that name and the union does not permit one to use a name already in use....