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 Young and the Restless storylines revealed that Cassie actually had an identical twin sister named Mariah (played by the same actress as Cassie), who was raised by an unloving woman. It was revealed in the Fall of 2014, that Sharon gave birth to twins, and did not realize it, as both babies were immediately taken away and adopted to two different mothers. The writers also created a number of retcon storylines during the 2000s. In 2003, it was revealed that Jill was adopted, and Kay was actually her birth mother; Billy and Mac were told about this moments before they consummated their relationship. In 2004,