To get a more fluid camera movement in the boxing ring, cinematographer James Wong Howe filmed the fight while holding the camera and being pushed by an assistant as he wore roller skates.
"Screen Director's Playhouse" broadcast a 30 minute radio adaptation of the movie on November 11, 1949 with John Garfield and William Conrad reprising their film roles.
A remarkable eight members of the cast and crew went on to become directors: actors William Conrad and Joseph Pevney, writer Abraham Polonsky, cinematographer James Wong Howe, editor Robert Parrish, art director Nathan Juran, assistant director Robert Aldrich and script supervisor Don Weis. Additionally, set decorator Edward Boyle directed a film in the silent era.