Sybil ThorndikeDame Agnes Sybil Thorndike, Lady Casson, was an English actress whose stage career lasted from 1904 to 1969.Movies (2)Stage Fright (1950)The Prince and the Showgirl (1957)Genres Sybil Thorndike works incrimecrime thrillerdramafilm noirflashbackromantic comedyMore about Sybil ThorndikeWikipedia