In 1973, O'Connor sang the title song for the film Jeremy in which she also co-starred with Robby Benson. On January 8, 1974, she starred in the CBS Radio Mystery Theatre production of "Ring of Roses" and then co-starred with John Travolta in the 1976 made-for-television movie The Boy in the Plastic Bubble. That same year she portrayed the character Bobbie Lee Hartley, co-starring once again with Robby Benson, in the film Ode to Billy Joe, a tragic romance produced and directed by Max Baer, Jr.