Based on the play by Arthur Miller, All My Sons is a drama of man's duty to man that retains a potent impact. Edward G. Robinson plays a manufacturer of parts for World War II airplanes who lives a full, satisfied life in a small town. But his idyll is shattered by the arrival of the fiancée of the manufacturer's oldest son, who is missing in action. The younger son begins to fall in love with the girl, but her own brother is against the relationship because, he claims, the manufacturer and his partner delivered defective parts to the war effort. The younger son (Burt Lancaster) investigates, even going as far as visit his father's former partner in jail, and discovers the awful truth -- that his father's corrupt actions were responsible for both the partner's incarceration and the deaths of 21 U.S. pilots. The tale ends with a bitter and tragic confrontation that drives home the message that we are all our brother's keepers, and we cannot push aside that responsibility for personal gain. Thoughtful and intense performances by Robinson and Lancaster bring humanity and life to this powerful theme.
~ Don Kaye, All Movie Guide