This picture from the first St. Patrick's parade shows Cassie Yates was born in Macon, Georgia, and grew up in Dublin. Her most high-profile role was probably in Dynasty as Sarah Curtis. Cassie also appeared in the 1981 tv movie version of John Steinbeck's, "Of Mice and Men, as Curley's wife – opposite Robert Blake as George, and Randy Quaid as Lennie. . She appeared in various television series, including McMillan & Wife, Rich Man, Poor Man Book II, The Bionic Woman, The Streets of San Francisco, Barnaby Jones, Quincy, M.E., Vega$, Simon & Simon, Magnum, P.I., Hotel, Cagney & Lacey, Thirtysomething and Murder, She Wrote.
In 1978, she starred as Laura Coe, a Los Angeles disc jockey, in the movie FM. She also played roles in two films directed by Sam Peckinpah: Convoy (1978), and The Osterman Weekend (1983). Her other film credits include Rolling Thunder (1977), F.I.S.T. (1978), The Evil (1978), St. Helens (1981) and Unfaithfully Yours (1984).
Info from Wikipedia.