William Lindsey "Bill" Erwin (December 2, 1914 " December 29, 2010) was an American film, stage and television actor with over 250 television and film credits. As a veteran character actor, he was widely known for his role of Sid Fields, an embittered, irascible man on Seinfeld – for which he received an Emmy nomination – as well his appearances on shows such as I Love Lucy and Star Trek: The Next Generation.
Erwin was a self-taught cartoonist, published in The New Yorker, Playboy and Los Angeles. He won a Los Angeles Drama Critics Circle Award, four Drama-Logue Awards, Gilmore Brown Award for Career Achievement, Pacific Pioneer Broadcasters' Diamond Circle Award, and Distinguished Alumnus Award from Angelo State University.