- loss of self or identity,
- loss of autonomy or freedom,
- loss of values held dear,
One of the classics that has been reinterpreted numerous times, including last year’s Nicole Kidman and Daniel Craig film, The Invasion, is The Body Snatchers by Jack Finney. Written in 1955, the book has inspired four films and, doubtless, more to come.
- Invasion of the Body Snatchers (1956)
- Invasion of the Body Snatchers (1978)
- Body Snatchers (1993)
- The Invasion (2007)
I found this very interesting article about the history and the different ways in which human duplicates have been used in fiction and film at the National Post. Check it out — it is quite interesting: Scott Van Wynsberghe: A brief history of body-snatching.
NOTE: Alas, that story has been pulled from the web. On March 23, 2018, I tried to find it anywhere to no avail.