By now Lawford had fallen out with Sinatra — who replaced him in "Robin and the 7 Hoods" (1964) with Bing Crosby — but Davis remained loyal and got Lawford a support role in "A Man Called Adam" (1966). He and Patrica Kennedy divorced in 1966. He guest starred on shows like "The Wild Wild West", "I Spy" and was in "How I Spent My Summer Vacation" (1967). Lawford went to Europe to star in "Dead Run" (1967) and "The Fourth Wall" (1968). He was a popular guest star on TV comedy and game shows. He produced a film starring himself and Davis, "Salt and Pepper" (1968) and had support roles in "Skidoo" (1968) for Preminger, "Buona Sera, Mrs. Campbell" (1968), "Hook, Line and Sinker" (1969) with Jerry Lewis, and "The April Fools" (1969). "Salt and Pepper" was popular enough for Lawford to raise money for a sequel, "One More Time" (1970) directed by Lewis. He supported George Hamilton in "Togetherness" (1970) and guest starred several times on "Rowan & Martin's Laugh-In". In 1971 he would marry Rowan's daughter Mary. Lawford's films included "A Step Out of Line" (1971), "Clay Pigeon" (1971), and "The Deadly Hunt" (1971). He had the lead role in "" and guest starred on "Bewitched" and "The Virginian". In 1971 he appeared as Ben Hunter on "The Men From Shiloh" (rebranded name for "The Virginian") in the episode titled "The Town Killer." He had a semi recurring role in "The Doris Day Show" (1971–72) and even directed an episode. He returned to MGM for "They Only Kill Their Masters" (1972), which reunited him with several former MGM contract players. Lawford was in "The Phantom of Hollywood" (1974), the pilot for "Born Free", "Rosebud" (1975) for Preminger, "" (1976), "Hawaii Five-O", "Fantasy Island", "The Love Boat ", "Angels' Brigade" (1979), "Highcliffe Manor", "Supertrain", "Mysterious Island of Beautiful Women" (1979), "Gypsy Angels" (1980), "Body and Soul" (1981), and episodes of "The Jeffersons".