Ben Affleck Vic Van Allen Ana de Armas Melinda Van Allen Grace Jenkins Trixie Tracy Letts Don Wilson Kristen Connolly Kelly Wilson Brendan Miller Joel Dash Jacob Elordi Charlie De Lisle Finn Wittrock Tony Cameron Devyn A. Tyler Mary Washington Dash Mihok Jonas Fernandez Jade Fernandez Jen Fernandez Lil Rel Howery Grant Michael Braun Jeff Peterson Rachel Blanchard Kristin Peterson Jeff Pope Chief Nichols Juliet Brett Chelsea (Babysitter) Damon Lipari Carlyle Jaren Mitchell John Sam Malone Bartender #1 Krystal Tomlin Bartender #2 Shauna Rappold Other Guest's Wife Jason Edwards Some Dispatcher Kelly Connolly Female Couple (uncredited) Gregory Hobson Party Guest (uncredited)