<Ul> <Li> Nat Wolff as Light Turner / Kira : A bright yet isolated high - school student who discovers the titular `` Death Note '' and uses it to kill criminals by writing their names and causes of death , in a bid to change the world into a utopia without crime , and thus , alongside Mia Sutton , becoming the world - famous serial killer known as `` Kira '' , while being both praised and feared by law enforcement agencies and the worldwide media and public . </Li> <Li> Lakeith Stanfield as L : A near - mythical , highly - intelligent and well - skilled -- but also arrogant and slightly unhinged -- FBI profiler with a past shrouded in mystery and who is determined to capture `` Kira '' and end his reign of terror . </Li> <Li> Margaret Qualley as Mia Sutton / Kira : Light 's classmate and love interest , who becomes an ally in his mission to rid the world of criminals , jointly becoming the world - famous serial killer known as `` Kira '' alongside Light , eventually seeking to kill those who seek to stop them and becoming dangerously obsessed with the book 's power . In an interview with io9 , Adam Wingard revealed that rather than being based on original manga character Misa Amane , Sutton as a character is based on the sociopathic qualities of Light Yagami . </Li> <Li> Shea Whigham as James Turner : Light 's father and a veteran Seattle detective , who aids L in finding the mysterious `` Kira '' , unaware that he is his own son . </Li> <Li> Paul Nakauchi as Watari : L 's assistant and foster - father . </Li> <Li> Jason Liles and Willem Dafoe as Ryuk : A demonic god of death and the original owner of the Death Note , who begins communicating with Light when he receives the book and inquistively observes Light 's activities as `` Kira '' . Liles played the character in costume , while Dafoe provided voice work and performance capture for the facial elements . </Li> </Ul>
<Ul> <Li> Nat Wolff as Light Turner / Kira : A bright yet isolated high - school student who discovers the titular `` Death Note '' and uses it to kill criminals by writing their names and causes of death , in a bid to change the world into a utopia without crime , and thus , alongside Mia Sutton , becoming the world - famous serial killer known as `` Kira '' , while being both praised and feared by law enforcement agencies and the worldwide media and public . </Li> <Li> Lakeith Stanfield as L : A near - mythical , highly - intelligent and well - skilled -- but also arrogant and slightly unhinged -- FBI profiler with a past shrouded in mystery and who is determined to capture `` Kira '' and end his reign of terror . </Li> <Li> Margaret Qualley as Mia Sutton / Kira : Light 's classmate and love interest , who becomes an ally in his mission to rid the world of criminals , jointly becoming the world - famous serial killer known as `` Kira '' alongside Light , eventually seeking to kill those who seek to stop them and becoming dangerously obsessed with the book 's power . In an interview with io9 , Adam Wingard revealed that rather than being based on original manga character Misa Amane , Sutton as a character is based on the sociopathic qualities of Light Yagami . </Li> <Li> Shea Whigham as James Turner : Light 's father and a veteran Seattle detective , who aids L in finding the mysterious `` Kira '' , unaware that he is his own son . </Li> <Li> Paul Nakauchi as Watari : L 's assistant and foster - father . </Li> <Li> Jason Liles and Willem Dafoe as Ryuk : A demonic god of death and the original owner of the Death Note , who begins communicating with Light when he receives the book and inquistively observes Light 's activities as `` Kira '' . Liles played the character in costume , while Dafoe provided voice work and performance capture for the facial elements . </Li> </Ul>
who plays light 's dad in death note
who plays light 's dad in death note
Shea Whigham
Shea Whigham