Robert Bushnell Ryan was an American actor and activist. Known for his portrayals of hardened cops and ruthless villains, Ryan performed for over three decades. He was nominated for the Academy Award for Best Supporting Actor for his role in the film noir drama Crossfire (1947).

Crossfire is a 1947 American film noir drama film starring Robert Young, Robert Mitchum and Robert Ryan which deals with the theme of anti-Semitism, as did that year's Academy Award for Best Picture winner, Gentleman's Agreement. The film was directed by Edward Dmytryk and the screenplay was written by John Paxton, based on the 1945 novel The Brick Foxhole by screenwriter and director Richard Brooks. The film's supporting cast features Gloria Grahame and Sam Levene. The picture received five Oscar nominations, including Ryan for Best Supporting Actor and Gloria Grahame for Best Supporting Actress. It was the first B movie to receive a Best Picture nomination.