he began his career by participating in small roles in movies the human comedy (1943), follow the band (1943), beyond the last frontier (1943). mitchum began to make known after playing the role of pilot bob gray, in war movie thirty seconds over tokyo (1944), from that film began to star in many war movies as story of g.i. joe (1945), is capt. bill walker, fighting in north africa during world war ii. one minute to zero (1952), the hunters (1958), the enemy below (1957), a terrible beauty (1960), the longest day (1962), man in the middle (1963), anzio (1968), and midway (1976).