Please help improve it by rewriting it in an encyclopedic style. Hidden categories: CS1 Japanese-language sources ja Wikipedia articles with style issues from December All articles with style issues All articles with unsourced statements Articles with unsourced statements from February In media such as television and film, the device is an opportunity for two actors to temporarily play each other's characters,  although in some cases, dialogue is dubbed by the original actors. Archived from the original on 8 April Such experiments can have overtones of horror. Archived from the original on 15 March Archived from the original on 7 May From Wikipedia, the free encyclopedia. For non-technology swapping, switches can be caused by magic items such as amulets, heartfelt wishes , or just strange quirks of the universe.