 His character on "The Secret Storm" was Kip Rysdale, who was the husband of the heroine of that show, Amy Ames, played by actress Jada Rowland.In 1976, the two actors were reunited when Rowland joined the cast of "The Doctors" as the second Carolee Aldrich, the wife of O'Brien's character.One of his later roles was as Dr. Alan Glaser on "Another World" (1986–87).