O'Neal started with television roles, working either as a stand-in or stuntman in the 1960s. He began with guest appearances in the shows The Many Loves of Dobie Gillis, The Untouchables, General Electric Theater, The DuPont Show with June Allyson, Two Faces West, Westinghouse Playhouse, Bachelor Father, My Three Sons, Leave It to Beaver and The Virginian. He rose to fame with the romantic drama movie Love Story, in which he co-starred with Ali MacGraw. The movie, which turned out to be a box-office hit, earned him nominations for Best Actor in the Academy Awards and Golden Globes.