Genre: Action | Adventure | Fantasy . Cast: Taylor Kitsch, Lynn Collins and Willem Dafoe . Year: 2012 Plot : Civil War vet John Carter is transplanted to Mars, where he discovers a lush, wildly diverse planet whose main inhabitants are 12-foot tall green barbarians. Finding himself a prisoner of these creatures, he escapes, only to encounter Dejah Thoris, Princess of Helium, who is in desperate need of a savior.