Complex sentence: The 1934 film "Catherine the Great" (based on the play "The Czarina" by Lajos Biró and Melchior Lengyel) stars Flora Robson as Elizabeth, and the 1991 TV miniseries "Young Catherine" features Vanessa Redgrave in the role.
Split into simpler sentences: The 1934 film "Catherine the Great (1934 film) Catherine the Great" (based on the play "The Czarina" by Lajos Biró and Melchior Lengyel) stars Flora Robson as Elizabeth. The 1991 TV miniseries "Young Catherine" features Vanessa Redgrave in the role.