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 (1961 film) using sugared water instead of mosquito repellent, and being awakened by two bear cubs licking honey off her feet, which the twins had previously placed there. Exasperated, Vicky finally has a shouting tantrum destroying everything in her path and culminating in angrily slapping one of the girls, leaving Mitch with a whole new-found view of her. When she runs off to escape back to the city in a great huff, Mitch seems none too worried to be rid of her. Back at the house, the twins apologize for what they did to Vicky, and are forgiven. Maggie makes dinner, and