In 'My Fair Lady' (1964), who plays Eliza Doolittle?

In 'Close Encounters of the Third Kind', at which landmark do the aliens land? In 'Thelma & Louise', which actresses play the title characters? In 'The Sound of Music', what is the family's surname? In 'The Sound of Music', which actor plays Captain von Trapp? In 'Singin' in the Rain', who performs the title song dance in the rain? In 'Grease', who plays Sandy? In 'Grease', what is the name of Danny's gang? In 'West Side Story', what are the two rival gangs?