Sam Worthington as Lieutenant Rick Janssen, Lucas’s father and Abigail’s husband Taylor Schilling as Dr. Abigail Janssen, Lucas’s mother and Rick’s wife Tom Wilkinson as Professor Martin Collingwood Diego Boneta as Dr. Iker Hernandez Agyness Deyn as Dr. Freya Upton Nathalie Emmanuel as W.D. Tally Rutherford Corey Johnson as Colonel Jim Petersen Aleksandar Jovanovic as Sergeant Johan Werner Noah Jupe as Lucas Janssen, Abigail and Rick’s son