At the TCM Classic Film Festival, one of the last surviving stars of Hollywood's Golden Age reflects on working as a kid alongside the likes of Cecil B. DeMille and Spencer Tracy; employing his tumbling background to dance in musicals like 'Seven Brides for Seven Brothers' and 'West Side Story'; and why, shortly after his Oscar nom for 'Peyton Place,' he "dropped out" of the biz, and then later returned.

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