Although director Bong Joon-ho's futuristic action thriller, "Snowpiercer," still does not have a U.S. release date, marketing is in full swing in South Korea where the film has broken box office records since hitting theaters Aug. 1.
Two new promos feature stars Chris Evans and Tilda Swinton talking about their characters, or why they signed on for the film in the first place.
See video: Chris Evans Leads Train Uprising in Futuristic 'Snowpiercer' First Trailer
"My reason for being in the film was to play with Bong Joon-ho," Swinton says. "All of his details, all of his humor; Bong Joon-ho is truly a modern master.