 Emily BluntEvelyn Abbott | Evelyn Abbott |
 John KrasinskiLee Abbott | Lee Abbott |
 Millicent SimmondsRegan Abbott | Regan Abbott |
 Noah JupeMarcus Abbott | Marcus Abbott |
 Cillian MurphyEmmett | Emmett |
 Djimon HounsouMan on Island | Man on Island |
 Okieriete OnaodowanPolice Officer | Police Officer |
 Scoot McNairyMarina Man | Marina Man |
 Zachary GolingerEmmett's Son | Emmett's Son |
 Blake DeLongUmpire | Umpire |
| SStefania WarwickWoman at Game | Woman at Game |
 Alycia RipleyServer | Server |
 Cristalis BonillaTeen in Bar | Teen in Bar |
 Domonic TaggartTeen in Bar | Teen in Bar |
 Silas Pereira-OlsonBoy on Island | Boy on Island |
 Alice Sophie MalyukovaGirl at Marina | Girl at Marina |
 Ashley DykeWoman on Island | Woman on Island |
 Dean WoodwardBeau Abbott | Beau Abbott |
 Barbara SingerWoman in Store | Woman in Store |
 David LundyMarina Person | Marina Person |
 Michaela PaceOliver's Mom | Oliver's Mom |
 Wayne DuvallRoger (uncredited) | Roger (uncredited) |
 Lauren-Ashley CristianoEmmett's Wife (uncredited) | Emmett's Wife (uncredited) |
 Logan V DavoliEmmett's Older Son (uncredited) | Emmett's Older Son (uncredited) |
 Robert A. ColdicottTownsperson (uncredited) | Townsperson (uncredited) |
| SSheri FairchildWoman at Hair Salon (uncredited) | Woman at Hair Salon (uncredited) |
 Kyle LichtTownsperson with Car (uncredited) | Townsperson with Car (uncredited) |
 Scott MathenyTownsperson (uncredited) | Townsperson (uncredited) |
 Gary SundownIsland Person (uncredited) | Island Person (uncredited) |
 Bill SmithTownsperson (uncredited) | Townsperson (uncredited) |
