Zuzana Geislerová
Zuzana Geislerová (born 14 March 1952) is a Czech actress known to United States audiences for her role as the Reverend Mother Gaius Helen Mohiam in the Sci Fi Channel's 2000 miniseries "Frank Herbert's Dune" and its 2003 sequel, "Frank Herbert's Children of Dune". Geislerová studied at the Theatre Faculty of the Academy of Performing Arts in Prague. She is the daughter of , and the aunt of , Anna and Ester. She has a son, Adam, from her first marriage to .