Chain of Command is a 2018 English-language Documentary Drama show written by T. L. Lankford and directed by John Terlesky. Chain of Command was produced under the production house CineTel Films. The show originally aired on HBO. An intimate portrait of the war against violent extremism and the men and women devoting their lives to it. Records the fight against radical threats all over the world as it unfolds over one full year. Chain of command stars Roy Scheider in the title role along with Patrick Muldoon, Michael Biehn, Chris Evans and Mark Zwirgzdas in supporting roles. The music was composed by Joseph Stanley Williams. Cinematography was done by Maximo Munzi. The series has a running time of 96 min. for each episode. An intimate portrait of the war against violent extremism and the men and women devoting their lives to it. Records the fight against radical threats all over the world as it unfolds over one full year.