The Four Men of the title are British WWI veterans who decide to work secretly against enemies of the country. They aren't above a bit of murder or sabotage to serve their ends, but they consider themselves to be true patriots.
Hugh Sinclair
Humphrey Mansfield
Griffith Jones
James Brodie
Francis L. Sullivan
Leon Poiccard
Frank Lawton
James Terry
Anna Lee
Ann Lodge
Alan Napier
Sir Hamar Ryman M.P.
Basil Sydney
Frank Snell
Lydia Sherwood
Myra Hastings
