Jill Haworth went on to originate the part of Sally Bowles in the Broadway musical Cabaret. Liza Minnelli did the film version.
Talk about a contrast in characters. Her Karen is so charming, innocent and hopeful.
The only other part I remember her playing was in another Otto Preminger film, “In Harm’s Way”, where she plays a WWII navy nurse who if I recall correctly commits suicide after being assaulted by Kirk Douglas’ character. She was also in Preminger’s “The Cardinal” but it’s been so long since I’ve since that I don’t remember her from it.