In 1989, several years after the cancellation of "Search for Tomorrow", he briefly joined the cast of another NBC/Procter and Gamble serial, "Another World." Haines played the role of Sid Sugarman, Ada Hobson's old boyfriend who escorted her to a gala honoring the show's 25th anniversary. He was later in the cast of Agnes Nixon's "Loving", playing Neal Warren, the biological father of Gwyneth Alden with whom he was reunited right before she was identified as the serial killer in the slaying of the Alden family and several other characters. In the last episodes of the show, his character proposed to old girlfriend Kate Rescott.