Who played Marcy on Seinfeld?

The character (Marcy) was played by Suzanne Rossell Cryer.

Marcy is the villainess from “The Yada Yada,” episode 8.19 of Seinfeld (airdate April 24, 1997).

Suzanne Rossell Cryer (born January 13, 1967) is an American actress best known for her appearances as Ashley on ABC’s Two Men and a Girl and Laurie Bream on HBO’s Silicon Valley.

Cryer was born in the city of Rochester, New York. She graduated from Greenwich High School in 1984 and went on to Yale University, where she earned a degree in English literature.

Suzanne then went on to earn a master’s degree from the Yale School of Drama.

Larry David and Jerry Seinfeld developed the American television series Seinfeld.

It ran on NBC for nine seasons and 180 episodes from July 5, 1989, to May 14, 1998.

It stars Seinfeld as a fictionalized version of himself and centers on his personal life with three of his friends: closest buddy George Costanza (Jason Alexander), former lover Elaine Benes (Julia Louis-Dreyfus), and Cosmo Kramer, his neighbor across the hall (Michael Richards).

It is largely set in an apartment building on Manhattan’s Upper West Side.