Who played J. Robert Oppenheimer in 'Oppenheimer'?

Who played Elphaba in 'Wicked'? In which film is Elphaba a character? Who played Glinda in 'Wicked'? In which film is Glinda a character? Who played Lewis Strauss in 'Oppenheimer'? Who played Evelyn Wang in 'Everything Everywhere All at Once'? Who played Mia Dolan in 'La La Land'? In which film is Mia Dolan a character?