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
The Parent Trap II couple more times over the next few days. Florence (Cromwell) Bill and Mary's maid, begins to suspect that something is awry. Sharon discovers the girls' scheme and decides to trick them instead. She contacts Brian Carey (Harvey) Susan's husband, who is a pilot for Trans World Airlines, and involves him in her scheme. While Susan and Bill are on a date, the real Sharon and Brian pretend to also be on one, with Sharon dressed as a different woman. Susan becomes distracted and clumsy on her date while watching her husband. Finally having had enough, she announces to Bill that