creature then appears, attacks Lee, and wounds him; Marcus screams inside the truck, turning the creature's attention to them. Lee, realizing that his children are about to die unless he intervenes, signs to Regan that he loves her before yelling out. The creature then charges at Lee and kills him, giving Regan and Marcus time to get in the truck and roll it back to the house. Back at the house, the children are greeted by Evelyn and they embrace. After hearing a nearby creature shriek, they retreat to the basement, where Regan sees that Lee had been studying cochlear implants to help her hear. A creature then comes into the basement. Remembering what had happened in the silo, Regan takes off her cochlear implant and slams it on a microphone. The resulting noise makes the creature shriek in pain and open the chitinous armor on its head, exposing the vulnerable inner tissue and allowing Evelyn to kill it with a shotgun. With Marcus and the baby hiding in the corner of the basement, Regan and Evelyn look on the screens connected to the security cameras and see two other creatures running towards the house. Regan turns up the wattage and lifts the microphone. Evelyn looks at Regan, smiles, and cocks her shotgun. Cast Emily Blunt as Evelyn Abbott, wife of Lee, and the mother to their four children, Regan, Marcus, Beau, and baby Abbott. Krasinski said her character wanted to ensure that their children "be fully-formed, fully-thinking people." John Krasinski as Lee Abbott, an engineer who is Evelyn's husband and the father of Regan, Marcus, Beau, and newborn baby Abbott. Krasinski described his character as a survivalist focused on getting his family through each day. Krasinski also provided the motion-capture for the extraterrestrial creatures. Noah Jupe as Marcus Abbott, the second child and eldest son of Lee and Evelyn, and Regan's and Beau's brother. Krasinski noticed Jupe in the 2016 miniseries The Night Manager and watched an early screening of the 2017 film Suburbicon to evaluate Jupe's performance. Millicent Simmonds as Regan Abbott, Lee and Evelyn's teenage deaf daughter, and Marcus' and Beau's older sister. Krasinski said he sought a deaf actress "...for many reasons; I didn't want a non-deaf actress pretending to be deaf ... a deaf actress would help my knowledge and my understanding of the situations tenfold. I wanted someone who lives it and who could