David Yarovesky Director, Screenwriter Kathryn Prescott Katie Actor Gabriel Basso Adam Actor Jacob Zachar Clark Actor Aurelia Scheppers Megan Actor Gabrielle Walsh Jess Actor Talitha Eliana Bateman Kayla Actor Stephen Blackehart Soldier 1 Actor Sean Gunn Dr. Baker Actor Elya Baskin Yuri Yegorov Actor Will Honley Screenwriter Cary Granat Producer Ed Jones Producer Jared Mass Producer Vincent Sieber Producer Maytal Gilboa Executive Producer Sean Gowrie Executive Producer Adam Rymer Executive Producer Michael Dallatorre Cinematographer Christopher E. Garcia Film Editing Anthony Willis Original Music Brent Mason Production Design Lauren Meyer Art Director Autumn Steed Costume Design Andy Henry Casting