"Nice Officer" - Season 6 - Lovely Katherine LaNasa
Among the women Jerry finds attractive on the series, Katherine LaNasa has intrigued me. She plays police sergeant Cathy in "The Beard" (Feb. 1995).
Here she is on Seinfeld, looking remarkably pretty in her uniform:
More looks at Katherine, she is a very beautiful woman:
That last little image, where she's wearing bright lipstick, was taken in 1992 -- so sometime after that, she went to the short hairstyle seen on her Seinfeld ep (filmed in 1994).