Captain Drummond is travelling to Switzerland to marry his girlfriend. However, when a cargo containing dangerous explosives goes missing from its place, Drummond is forced to delay his plans.
Col. J.A. Nielson
Capt. Hugh Chesterton 'Bulldog' Drummond
Phyllis Clavering
Algy Longworth
'Tenny' Tennison
Draven Nogais
Gwen Longworth
Hardcastle
Mr. Smith
Nielson's Secretary
