Kathleen Beller is an American actress who was nominated for a Golden Globe Award for Best Motion Picture Actress in a Supporting Role for her role in Promises in the Dark (1979) and was well known for her role as Kirby Anders on the prime time soap opera Dynasty. She had a small role in The Godfather Part II and a featured role in The Betsy.

Promises in the Dark is a 1979 American drama film produced and directed by Jerome Hellman and written by Loring Mandel. The film stars Marsha Mason, Ned Beatty, Susan Clark, Michael Brandon, Kathleen Beller and Paul Clemens. It was released by Warner Bros. and Orion Pictures on November 2, 1979.