Coma (Also Known As: Koma ) is a Drama Horror Mystery film directed by Michael Crichton and written by Michael Crichton (screenplay), Robin Cook (novel). It released on 6 January 1978 (USA). The film stars Michael Douglas, Rip Torn, Geneviève Bujold . When a young female doctor notices an unnatural amount of comas occurring in her hospital she uncovers a horrible conspiracy.