Kate O'Mara was an English actress best known to American audiences for the role of Cassandra "Caress" Morrell, sister of Joan Collins' Alexis Colby, on the 1980s series Dynasty.
Born in Leicester, she began performing on the stage in her twenties before shifting to television.She appeared in several British series, including Howards' Way, Triangle, Doctor Who, Absolutely Fabulous and Crossroads.
Her movie credits included The Horror of Frankenstein and The Vampire Lovers.
She joined Dynasty in 1986 and appeared in seasons six and seven before leaving the show and returning to Britain.
O'Mara died March 30, 2014. She was 74.