Dakota Johnson as Julie

Adria Arjona as Ashley

Kyle Marvin as Carey

Michael Angelo Covino as Paul

Simon Webster as Russ

Charlie Gillespie as Jackson

David Castañeda as Fede

O-T Fagbenle as Brent

Nahéma Ricci as Antoneta

Tyrone Benskin as Dr. Ott

Nicholas Braun as Matt

Leo Hennely as Connor

Robin Guillen as Wetsuit Man

Letitia Brookes as Officer Lank

Tyler Hall as Crash Driver

Emily O'Connor as Dead Woman

Luke McPhail as Brandon Lugiana

Jean-Claude Morais as Process Server

Jai Pun as Oliver

Jessika Mathurin as Keri

Stephen Adekolu as Sutton

Vincent Robitaille as Chovito

Nicholas Boshier as Superhost

Nicholas Walker as Fish Game Operator

Marc Assiniwi as College Security Guard (uncredited)