Biography
Salvatore Mineo Jr. (January 10, 1939 – February 12, 1976) was an American actor, singer, and director. He is best known for his role as John "Plato" Crawford in the drama film Rebel Without a Cause (1955), which earned him a nomination for the Academy Award for Best Supporting Actor. Mineo also starred in films such as Crime in the Streets, Giant (both 1956), Exodus (1960), for which he won a Golden Globe and received second Academy Award nomination, The Longest Day (1962), and Escape from the Planet of the Apes (1971). Description above from the Wikipedia article Sal Mineo, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Known For

Exodus
Dov Landau

The Silver Screen: Color ...
Self (archive footage)

Who Killed Teddy Bear?
Lawrence Sherman

How to Steal an Airplane
Luis Ortega

Giant
Angel Obregón II

Escape from the Planet of...
Dr. Milo

Rediscovering a Rebel
Self (archive footage) (uncredited)

Six Bridges to Cross
Jerry - as a boy

Sonic Boom
Subject

The Longest Day
Pvt. Martini