From 1944 to 1946 Ray graduated from the U.S. Navy as a Navy diver in a unit that was stationed in Okinawa. He also studied at the University of California, Berkeley.
His first leading role was Ray 1952 in the comedy happy ending ... and then what comes with Judy Holliday. In the same year he starred alongside Spencer Tracy and Katharine Hepburn in the comedy Pat and Mike, and received for his role a Golden Globe nomination for Best Newcomer. This was followed by movies like Purgatory (1953), leave to Awaken (1955), We 're No Angels (1955), When the night falls (1957 ), God's little acre (1958), The Naked and the Dead (1958), The Bank Robbery of the century (1960) and the green Berets (1968).
Ray was married and divorced three times. With Johanna Ray (1960-1967), Jean Marie Donnell (better known as Jeff Donnell ) ( 1954-1956), and Shirley Green ( 1947-1953 ). From his marriage with Johanna Ray comes his son Eric Da Re, who played in the series Twin Peaks a major role.
In March 1991, Aldo Ray died of throat cancer.