Among his most notable appearances were the Our Gang series and films such as Oliver Twist, Blonde Venus, Sergeant York, Out of the Past, and Eight Iron Men.

He appeared as Marlene Dietrich's son in Josef von Sternberg's drama Blonde Venus (1932).

He also appeared with Barbara Stanwyck in So Big (1932), with Walter Huston in Gabriel Over the White House (1933) and with Spencer Tracy in Man's Castle (1933).

In 1941, he portrayed the brother of Gary Cooper in the war drama Sergeant York under the direction of Howard Hawks.

He is also famous for giving Shirley Temple her first romantic onscreen kiss, in the film Miss Annie Rooney.

One of his last notable film roles was in Out of the Past (1947), in which he portrayed Robert Mitchum's deaf young assistant, "The Kid".

[8] In 1966, after battling addiction to alcohol and drugs, he founded a public relations firm, Dick Moore and Associates, which he ran until 2010.