Born in New York City, he appeared as a child actor alongside his father in such films as Charley Varrick (1973), The Bad News Bears (1976) and House Calls (1978).
Notable was the score by Jerry Fielding, which is an adaptation of the principal themes of Carmen.
Cast first came to prominence on the television series The Bad News Bears in 1979 as Amanda Whirlitzer.
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His grandsons are actors Gregg Marx, Chris Marx, and actor/producer Brett Marx, who as a child actor appeared as 'Jimmy Feldman' in 1976's comedy film The Bad News Bears.