Stockwell married actress Millie Perkins on April 15, 1960. The same year, he played coal miner's son Paul Morel in the British film "Sons and Lovers", alongside Trevor Howard and Wendy Hiller. Stockwell later called it "a very delightful film to do". He continued to work mostly in TV including episodes of "Checkmate", "The DuPont Show with June Allyson", "Outlaws", "Alfred Hitchcock Presents", "Hallmark Hall of Fame" ("The Joke and the Valley"), "Bus Stop", "The Twilight Zone" ("A Quality of Mercy"), "Alcoa Premiere", "The Alfred Hitchcock Hour", and "The Dick Powell Theatre". He appeared with Millie Perkins on "Wagon Train