La Otra ("The Other" (feminine)), sometimes screened with the title The Other One,[1][2] is a 1945 Mexican drama film directed and co-written by Roberto Gavaldón and starring Dolores del Río.
At a Christmas party, María Méndez (Dolores del Río) learns that Magdalena, her twin sister, has a comfortable lifestyle.
However, her life becomes complicated by her late sister's sleazy boyfriend Fernando (Víctor Junco), and by Roberto (Agustín Irusta), who loved Magdalena.
The 96-page script was originally titled "The Other Woman" by José Revueltas, Jack Wagner and Roberto Gavaldón from a story by Ryan James.
The script for La Otra was owned by Warner Bros. and its story was used as the basis for the 1964 film, Dead Ringer (1964), starring Bette Davis.