Dead Ringers

Twin gynecologists take full advantage of the fact that nobody can tell them apart, until their relationship begins to deteriorate over a woman.

Dead Ringers is a 1988 Canadian-American psychological body horror drama film starring Jeremy Irons in a dual role as identical twin gynecologists. David Cronenberg directed and co-wrote the screenplay with Norman Snider. Their script was based on the lives of Stewart and Cyril Marcus and on the novel Twins by Bari Wood and Jack Geasland, a "highly fictionalized" version of the Marcus' story.