Jennifer's nine-year-old Autumn made a special cameo. Jennifer Love Hewitt welcomed a special guest star onto the latest episode of 9-1-1 on Monday night - her little girl Autumn! The nine-year-old made an appearance on the FOX drama, playing her mom's on-screen daughter, Genevieve, who only exists in Buck's coma dream world. It wasn't just Jennifer's daughter who joined her for the special episode, however. Her real-life husband Brian Hallisay also appeared, returning to the show as Doug Kendall. The latest episode is set in an alternate reality in Buck's mind which sees the firefighter, who is in an induced coma, dream of a world where he never became a firefighter – and one where Maddie is still married to Doug. In reality, Doug was Maddie's abusive ex-husband who tried to kill her back in season two before she stabbed him to death. In the real world, Maddie is in a relationship with Howard 'Chim' Han and the pair share a daughter named Jee. R...