Jean Hagen

Dead Ringer
The working class twin sister of a callous wealthy woman impulsively murders her out of revenge and assumes the identity of the dead woman. But impersonating her dead twin is more complicated and risky than she anticipated.

Singin' in the Rain
In 1927 Hollywood, a silent film star falls for a chorus girl just as he and his paranoid screen partner struggle to make the difficult transition to talking pictures.