Under My Skin is a 1950 American sports drama film directed by Jean Negulesco and starring John Garfield and Micheline Presle. It is based on the 1923 short story "My Old Man", by Ernest Hemingway, about a jockey being threatened by a mobster after winning a race he had agreed to throw. The Hemingway story was later adapted for a 1979 CBS television film, My Old Man, starring Kristy McNichol, Warren Oates, and Eileen Brennan.