Emily Bader (Poppy Wright), Tom Blyth (Alex Nilsen), Sarah Catherine Hook (Sarah), Jameela Jamil (Swapna Bakshi-Highsmith), Miles Heizer (David Nilsen), Tommy Do (Nam), Lucien Laviscount (Trey) more..., Alan Ruck (Jimmy Wright), Molly Shannon (Wanda Wright), Lukas Gage (Buck), Madeleine Akua (Daisy), Alice Lee (Rachel), Spencer Neville (Julian), Ian Porter (Ed Nilsen), John Jabaley (Motel Night Manager), Bethany Anne Lind (Stacey), Michael A. Newcomer (Bob), Laura Flannery (Spin Class Instructor), Layton Williams (Wedding Officiant), Amy Le (Cafe Du Monde Server), Amia Edwards (Art Bazaar Vendor), Cindy Adams Zimmer (Domilise's Cashier), Theodus Crane (Bamboula's Bartender), Quique Bofill (Very Tan Man), Scheherazade Braithwaite (Beach Model Diner), Chloe Berman (Beach Model Diner), Harry Attwell (Sasquatch Seller (uncredited)), Robert Bishop (Linfield Plane Passenger (uncredited)), Tremayne Cole (Airport Patron (uncredited)), Jennifer Dent (Airport Passenger (uncredited)), Edu Estalella (Waiter Wedding (uncredited)), Bobby George (Bar Patron (uncredited)), Russell C. Gibbs (Passenger (uncredited)), Andrew Gruen (Campground Park Host (uncredited)), Joseph Karre (Airport Traveler (uncredited)), Alisha 'LeeLah' Moore (Happy Couples Background (uncredited)), Andreius 'Dreko Tha Prophet' Moore (Dog Fair / Happy Couples (uncredited)), Angela Peters (Airport Passenger (uncredited)), Lisa Raziano (Bar Patron (uncredited)), Fabiola Reno (Flight Attendant (Alejandra) (uncredited)) and others.

Yulin Kuang (Screenplay), Marty Bowen (Producer), Wyck Godfrey (Producer), Isaac Klausner (Producer), Emily Henry (Novel), Laura Quicksilver (Executive Producer), Keegan DeWitt (Original Music Composer) more..., Sergi Páez (Assistant Production Coordinator), Àlex Gantzer (Assistant Production Coordinator), Gemma Monzó (Production Coordinator), Amos Vernon (Screenplay), Nunzio Randazzo (Screenplay), Ted Gidlow (Executive Producer), Emily Henry (Executive Producer), Rob Givens (Director of Photography), Evan Henke (Editor), Bruce Curtis (Production Designer), Chelsea Bruland (Stunt Coordinator), Taryn Terrell (Stunt Coordinator), Oscar Dorta (Stunt Coordinator), Joan Bartolomé (Stunts), Sergio Macías Campos (Stunts), Sheila Quevedo (Stunts), Preston Schrag (Stunts), Connor Turley (Stunts), Ted Gidlow (Unit Production Manager), Rod Smith (First Assistant Director), Annika Patton (Co-Producer), Andreas Wentz (Associate Producer), Jordi Abarca Taura (Line Producer), Allison Furgal (Production Supervisor), Cristina Mateo (Production Supervisor), Marta Juls (Second Assistant Director), Carmine Palmentieri (Supervising Art Director), Philippe Mayanobe (Art Direction), Sol Saban (Set Decoration), Valéria Campos Lourenço (Property Master), Dennis Noyes ("A" Camera Operator), Anna Albiac (Second Assistant "A" Camera), Tammo van Hoorn ("B" Camera Operator) and others.