The Defiant Ones (1958)
The Defiant Ones is a 1958 black and white film which tells the story of two escaped prisoners, one white and one black, who are shackled together and who must co-operate in order to survive. It stars Tony Curtis, Sidney Poitier, Theodore Bikel, Cara Williams, Charles McGraw, and Lon Chaney, Jr.. Ivan Dixon was a stunt double for Sidney Poitier
More at Wikipedia.