Zelig
A 1983 comedy film written by, directed by, and starring Woody Allen, Zelig is a mockumentary set during the 1920s and '30s and centering around one Leonard Zelig (Allen), a "human chameleon" who shapeshifts to better fit in with those around him, and his encounters with many of the notable figures of the period. Zelig eventually enters into treatment with Dr. Eudora Nesbitt Fletcher (Mia Farrow), a psychiatrist who attempts to cure him of his uncontrollable shapeshifting and ultimately falls in love with him. Throughout, commentary on Zelig's life is provided by people who knew him as well as various well-known public intellectuals.