Inferno is a 1953 American thriller drama starring Robert Ryan, William Lundigan and Rhonda Fleming, directed by Roy Ward Baker. It was shot in Technicolor and shown in 3-D, with stereophonic sound.

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).