Production was delayed a few days so Kate Winslet could attend a memorial service for Alan Rickman.
After Michael Fassbender and Margot Robbie dropped out of the project, they were replaced by Charlie Hunnam and Rosamund Pike. However, both dropped out of the project after it was put into turnaround. Idris Elba and Kate Winslet were eventually cast.
Margot Robbie was originally attached to play Ashley Knox, however Robbie dropped out after Fassbender left the project.
Michael Fassbender was originally attached to play Dr. Ben Payne but dropped out due to scheduling conflicts.
This is the 2nd movie in which Dermot Mulroney stars in a film which features a plane crash in Arctic conditions and a battle of survival. The other movie was "The Grey" starring Liam Neeson.
Rosamund Pike replaced Margot Robbie as Ashley Knox but eventually dropped out for unknown reasons.
Charlie Hunnam replaced Michael Fassbender as Dr. Ben Payne but eventually dropped out for unknown reasons.