Robert ‘John’ Downey, Jr. was born on April 4, 1965 at Manhattan, New York City. His father and mother were both part of the film industry. His father was an actor and director whereas his mother was a small-time actress. As his father was a filmmaker, Robert got to play minor roles in his father’s films from the age of 5 itself.
He joined Stagedoor Manor Performing Arts institute as a 12 year old. At the age of 13, he moved to California and joined the Santa Monica High School. In 1982, he quit school to pursue acting as a full-time career and moved back to New York.