Deletion of Gwen Shepherd

Comment: Being a canny cashier in one episode of Seinfeld hardly cuts it, but I've added some sourced information on her theatrical work in the 1980s that I think gets her over the bar for  (particularly her role in the original production of Blues in the Night (musical)|Blues in the Night
Stance: keep
Cited policy: Wikipedia:Notability (WP:ENT)