Dark Command is a 1940 Crime western film starring Claire Trevor, John Wayne and Walter Pidgeon loosely based on Quantrill's Raiders during the American Civil War.

The film was nominated for two Academy Awards for Best Original Score and Best Art Direction by John Victor Mackay.

[4] Mary McCloud marries the seemingly peaceful Kansas schoolteacher William Cantrell, before finding out that he harbours a dark secret.

[3] Dark Command was the second film John Wayne made with Claire Trevor after Stagecoach, the other being Allegheny Uprising (1939).

[10] It received favourable reviews and box office, and encouraged Republic to continue to allocate more money for John Wayne films.