What actors and actresses appeared in The Darkest Hour - 1919?

There's no movie called "The Darkest Hour - 1919".

It's possible you're thinking of one of these:

* "The Darkest Hour" (2017): This movie about Winston Churchill during World War II stars Gary Oldman, Kristin Scott Thomas, Lily James, and Ben Mendelsohn.

* "The Darkest Hour" (1936): This film, also about Winston Churchill, stars Spencer Tracy, Walter Pidgeon, and Margaret Sullavan.

* "The Darkest Hour" (1919): There is no record of a movie by this name released in 1919.

Please clarify your request if you are thinking of a different movie.