Split screen (video production) in the Russian silent film "The Queen of Spades" (1916), directed by Yakov Protazanov, where one screen depicts reality and the other a character's inner desires. This technique has been used to portray twins in such films as "Wonder Man" (1945), "The Dark Mirror" (1946), "The Parent Trap" (both the 1961 original and the 1998 remake), and "Adaptation" (2002). In the 1961 version of "The Parent Trap", conversations between the twins were simulated by filming the actress (Hayley Mills) as she stood at the left of the frame facing right, then filming her again, standing at the right and facing
Hayley Mills to America and made two appearances on "The Love Boat". Always welcomed at Disney, Mills narrated an episode of "The Wonderful World of Disney", sparking renewed interest in her Disney work. In 1985, Mills was originally considered to voice Princess Eilonwy in Disney's 25th animated feature film "The Black Cauldron" but was later replaced by the veteran British voice actress Susan Sheridan. Later, Mills reprised her roles as twins Sharon and Susan for a trio of "Parent Trap" television films: "The Parent Trap II", "Parent Trap III", and "". Mills also starred as the title character in the Disney Channel-produced