A wonderful psychological thriller, based on the story LA OTRA, written in 1944 by the American journalist, author, screenwriter, director and producer Rian James (Julian or James Herbert Rothschild): his story inspired the film DEAD PIGEON or THE OTHER or THE OTHER ONE or THE OTHER WOMAN, starring Dolores del Rio, directed by the Mexican director Roberto Gavaldón according to a script elaborated by Rian James, Roberto Gavaldón, the Mexican intellectual José Revueltas & the American screenwriter Jack Wagner.
The original script of the Mexican film was adapted as the screenplay of the DEAD RINGER by the American writer, screenwriter and producer Albert Beich & the English novelist and screenwriter Oscar Millard.
The movie was filmed in Los Angeles, Beberly Hills and San Fernando Valley in California (USA).
Cinematography by Ernest Jacob Haller (Ernie J. Haller): this was his last film as cinematographer but in 1946 he has also worked on the almost identical film of Bette Davis, STOLEN LIFE.
Music by the great German pianist, composer and conductor André Previn (Andreas Ludwig Priwin, of Jewish descent, he left Germany in 1938 and became American in 1943 and was named an honorary Knight of the British Empire for his services to music in 1996).
THE DIRECTOR OF THE FILM is Paul Henreid (the double, doppelganger or ''dead ringer") of the philosopher Albert Camus.
The films LA OTRA and DEAD RINGER were remade in 1986 by the American writer, producer and director Frank De Felitta, starring Ann Jillian, under the title KILLER IN THE MIRROR.