VIDEO : Leonardo DiCaprio and Tom Hardy Talk Upcoming Film 'The Reverent'

plays an 1820s frontiersman out for revenge after he's left for dead when he's attacked by a bear. We were in sub-zero conditions one day and the next week the entire snow pack would melt so we had to adjust to nature." There wasn't much to do during downtime. "We would sit in our homes in the middle of snowy Calgary and we'd have a hot chocolate and lots of great food," DiCaprio said. "In a onesie," his co-star Tom Hardy joked. The Revenant is in limited theaters on Dec. 25 followed by a wide release on Jan. 8.