Members of three Commonwealth armies, an Aussie, a Canadian, and a New Zealander meet actor Leslie Howard who buys them a beer and makes them understand why they're fighting.
J. Johnston
as Himself - Pvt. The Black Watch of Canada
W. Atkinson
as Himself - Cpl. Australian Imperial Force
R. Gilbert
as Himself - Pvt. 2nd New Zealand Expeditionary Force
Leslie Howard
as Himself (as A Passer-By)
Wylie Watson
as Newspaper Vendor (uncredited)
Margaret Yarde
as Woman Who Greets Soldiers (uncredited)