Kiernan Shipka, 2021's boyfriend The excellent actress appears to be single at the moment. She was alleged to have dated her on-screen beau and co-star Gavin Leatherwood. We can't confirm that yet. Kiernan told Seventeen in 2018 that she was "too busy" working to date. Gavin Leatherwood, 2020 - 2021 The younger brother of Noah and Dylan plays Gavin in the series. He is also an actor who appeared in A Series of Unfortunate Events as Lemony Snicket. They are very close friends and have been since they were little kids so it makes sense that they would go on set together every day. Kiernan has said that she loves being on set with Gavin because he is funny and easy to be around. She added that they don't have time to date because they are both so busy with work.