 | Kathryn Prescott als Katie |
 | Gabriel Basso als Adam |
 | Sean Gunn als Dr. Baker |
 | Jacob Zachar als Clark |
 | Aurelia Scheppers als Megan |
 | Gabrielle Walsh als Jess |
 | Elya Baskin als Yuri Yegorov |
 | Talitha Bateman als Kayla |
 | Elaine Kagan als Subject 14 |
 | Sonya Eddy als Nurse |
 | Todd Hunter als Pilot |
 | Ivo Nandi als Alexsandr |
| Sonya Krimsky als Mrs. Baker |
 | Mary Elizabeth Boylan als Dr. Baker's Receptionist |
 | Steve Agee als Kevin |
| Yar Koosha als Puraj |
 | Madelaine Petsch als Current Girl #2 |
 | Brekkan Spens als Camper |
| David Yarovesky | Director |
| David Yarovesky | Writer |
| Will Honley | Writer |
| Maytal Gilboa | Executive Producer |
| Sean Gowrie | Executive Producer |
| Cary Granat | Producer |
| Ed Jones | Producer |
| Jared Mass | Producer |
| John-Michael Powell | Associate Producer |
| Adam Rymer | Executive Producer |
| Vincent Sieber | Producer |
| Romain Barbey | Associate Producer |
| Anthony B. Willis | Original Music Composer |
| Michael Dallatorre | Director of Photography |
| Christopher E. Garcia | Editor |
| Jeff Hall | Editor |
| Brent Mason | Production Design |
| Lauren Meyer | Art Direction |
| Autumn Steed | Costume Design |
| Daniel Madden | Makeup Effects |
| Martha G. Sanchez | Makeup Artist |
| Gary J. Tunnicliffe | Makeup Effects Designer |
| Glenn Amonitti | Visual Effects |
| Adam Elder | Visual Effects |
| Natalie Padilla | Stunt Double |
| Lesley Aletter | Stunts |
